{"id":12630,"date":"2020-10-09T09:36:08","date_gmt":"2020-10-09T04:06:08","guid":{"rendered":"https:\/\/ncertsolutions.guru\/?p=12630"},"modified":"2020-10-20T17:21:46","modified_gmt":"2020-10-20T11:51:46","slug":"mcq-questions-for-class-7-science-chapter-14","status":"publish","type":"post","link":"https:\/\/ncertsolutions.guru\/mcq-questions-for-class-7-science-chapter-14\/","title":{"rendered":"MCQ Questions for Class 7 Science Chapter 14 Electric Current and Its Effects"},"content":{"rendered":"

Students are advised to practice the NCERT MCQ Questions for Class 7 Science Chapter 14 Electric Current and Its Effects with Answers Pdf free download is available here. MCQ Questions for Class 7 Science with Answers<\/a> are prepared as per the Latest Exam Pattern. Students can solve these Electric Current and Its Effects Class 7 MCQs Questions with Answers and assess their preparation level.<\/p>\n

Electric Current and Its Effects Class 7 MCQs Questions with Answers<\/h2>\n

Solving the Electric Current and Its Effects Multiple Choice Questions of Class 7 Science Chapter 14 MCQ can be of extreme help as you will be aware of all the concepts. These MCQ Questions on Electric Current and Its Effects Class 7 with answers pave for a quick revision of the Chapter thereby helping you to enhance subject knowledge. Have a glance at the MCQ of Chapter 14 Science Class 7 and cross-check your answers during preparation.<\/p>\n

Question 1.
\nBulbs, wires, cells and switches are known as the of a circuit.
\n(a) element
\n(b) switch
\n(c) filament
\n(d) none of these<\/p>\n

\nAnswer<\/span><\/summary>\n

(a) element
\nWires, cells, switches, bulbs are element of a circuit.<\/p>\n<\/details>\n

\n

Question 2.
\nAn element measure the flowing an electric current is:
\n(a) voltmeter
\n(b) filament
\n(c) circuit
\n(d) ammeter<\/p>\n

\nAnswer<\/span><\/summary>\n

(d) ammeter
\nAn ammeter measure the flowing electric current.<\/p>\n<\/details>\n

\n

Question 3.
\nAn element measure the potential difference between two points in an electric circuit is:
\n(a) voltmeter
\n(b) filament
\n(c) circuit
\n(d) ammeter<\/p>\n

\nAnswer<\/span><\/summary>\n

(a) voltmeter
\nVoltmeter measure the difference of two points.<\/p>\n<\/details>\n

\n

Question 4.
\nElectric current has energy called:
\n(a) voltmeter
\n(b) filament
\n(c) electrical energy
\n(d) none of these<\/p>\n

\nAnswer<\/span><\/summary>\n

(c) electrical energy
\nElectric current has electric energy.<\/p>\n<\/details>\n

\n

Question 5.
\nThe magnetic material around the coil is wound is called:
\n(a) magnetic substance
\n(b) core
\n(c) soft iron
\n(d) none<\/p>\n

\nAnswer<\/span><\/summary>\n

(b) core
\nThe magnetic material around the coil is wound is core.<\/p>\n<\/details>\n

\n

Question 6.
\nVery strong electromagnets are used for lifting:
\n(a) fans
\n(b) washing machines
\n(c) heavy iron pieces
\n(d) none of these<\/p>\n

\nAnswer<\/span><\/summary>\n

(c) heavy iron pieces
\nVery strong electromagnet is used for lifting iron pieces.<\/p>\n<\/details>\n

\n

Question 7.
\nA safety device that cuts off the current in a circuit if a sudden heavy current starts flowing in it is:
\n(a) fuse
\n(b) ammeter
\n(c) solenoid
\n(d) none of these<\/p>\n

\nAnswer<\/span><\/summary>\n

(a) fuse
\nFuse is a safety device that cuts off the current.<\/p>\n<\/details>\n

\n

Question 8.
\nA cylindrical coil of current carrying wire is:
\n(a) voltmeter
\n(b) ammeter
\n(c) fuse
\n(d) solenoid<\/p>\n

\nAnswer<\/span><\/summary>\n

(d) solenoid
\nA solenoid is a cylindrical coil of wire.<\/p>\n<\/details>\n

\n

Question 9.
\nA coil of insulated currrent- carrying wire wound around a piece of a magnetic substance is:
\n(a) voltmeter
\n(b) magnetic coil
\n(c) electromagnet
\n(d) none of these<\/p>\n

\nAnswer<\/span><\/summary>\n

(c) electromagnet
\nAn electromagnet is a coil of insulated wire.<\/p>\n<\/details>\n

\n

Question 10.
\nWhich of these is not circuit element ?
\n(a) potential difference
\n(b) voltmeter
\n(c) resistor
\n(d) battery<\/p>\n

\nAnswer<\/span><\/summary>\n

(c) resistor
\nResistor is not a circuit element.<\/p>\n<\/details>\n

\n

Question 11.
\nWhich of these appliances does not use on electro magnet?
\n(a) washing
\n(b) refrigerator
\n(c) room heater
\n(d) electric bell<\/p>\n

\nAnswer<\/span><\/summary>\n

(c) room heater
\nRoom heater does not use an electro magnet.<\/p>\n<\/details>\n

\n

Question 12.
\nThe fuse wire:
\n(a) never breaks
\n(b) breaks on shorting of wire
\n(c) breaks on flowing of excessive current
\n(d) both (b) and (c)<\/p>\n

\nAnswer<\/span><\/summary>\n

(d) both (b) and (c)
\nAlways fuse breaks on shorting of wire and flowing exessive current.<\/p>\n<\/details>\n

\n

Question 13.
\nWhich of the following liquid is bad conductor of electricity:
\n(a) salted water
\n(b) orange juice
\n(c) lemon juice
\n(d) none of these<\/p>\n

\nAnswer<\/span><\/summary>\n

(d) none of these
\nNone of these Liquid is bad conductor of electricity.
\nA circuit diagram represent on electrical circuit.<\/p>\n<\/details>\n

\n

Question 14.
\nWhich of the following substance is conductor of electricity:
\n(a) rubber
\n(b) paper
\n(c) nails
\n(d) plastic<\/p>\n

\nAnswer<\/span><\/summary>\n

(c) nails
\nNails is conductor of electricity.<\/p>\n<\/details>\n

\n

Question 15.
\nThe electric current which is broken at some point is called:
\n(a) open circuit
\n(b) closed circuit
\n(c) short circuit
\n(d) long circuit<\/p>\n

\nAnswer<\/span><\/summary>\n

(a) open circuit
\nOpen circuit is broken at some point.<\/p>\n<\/details>\n

\n

Question 16.
\n\"MCQ symbol represents:
\n(a) cell
\n(b) battery
\n(c) closed circuit
\n(d) open key<\/p>\n

\nAnswer<\/span><\/summary>\n

(c) closed circuit
\n\"MCQ This symbol represents closed key.<\/p>\n<\/details>\n

\n

Question 17.
\nA circuit diagram represent on:
\n(a) switch
\n(b) electrical circuit
\n(c) cells
\n(d) none of these<\/p>\n

\nAnswer<\/span><\/summary>\n

(a) switch
\nA circuit diagram represent on electrical circuit.<\/p>\n<\/details>\n

\n

Question 18.
\nA control consisting of a electrical device for making or breaking or changing the connections in a circuit is:
\n(a) a switch
\n(b) a key
\n(c) both (a) and (b)
\n(d) none of these<\/p>\n

\nAnswer<\/span><\/summary>\n

(c) both (a) and (b)
\nBoth (a) and (b) are control consisting device of electricsl.<\/p>\n<\/details>\n

\n

Question 19.
\n\"MCQ symbol represents:
\n(a) electric bulb
\n(b) electric cell
\n(c) battery
\n(d) wire<\/p>\n

\nAnswer<\/span><\/summary>\n

(b) electric cell
\nElectrical cell represents \"MCQ symbol.<\/p>\n<\/details>\n

\n

Question 20.
\n\"MCQ symbol represents:
\n(a) wire
\n(b) battery
\n(c) cell
\n(d) switch in \u2018ON\u2019 position<\/p>\n

\nAnswer<\/span><\/summary>\n

(d) switch in \u2018ON\u2019 position
\n\"MCQ symbol represents switch in \u2018ON\u2019 position.<\/p>\n<\/details>\n

\n

Question 21.
\n\"MCQ symbol represents:
\n(a) wire
\n(b) cell
\n(c) bulb
\n(d) battery<\/p>\n

\nAnswer<\/span><\/summary>\n

(a) wire
\n\"MCQ symbol represents wire.<\/p>\n<\/details>\n

\n

Question 22.
\nSuch a combination of two or more cells is called :
\n(a) wire
\n(b) cell
\n(c) bulb
\n(d) battery<\/p>\n

\nAnswer<\/span><\/summary>\n

(d) battery
\nCombination of two or more cells is called battery.<\/p>\n<\/details>\n

\n

Question 23.
\nThe batteries used in tractors, trucks and inverter are also made from:
\n(a) cells
\n(b) wire
\n(c) battery
\n(d) none of these<\/p>\n

\nAnswer<\/span><\/summary>\n

(a) cells
\nThe batteries used in tractors, trucks are also made from cells.<\/p>\n<\/details>\n

\n

Question 24.
\nThe positive terminal of one cell is connected to the:
\n(a) positive terminal
\n(b) negative terminal
\n(c) wire
\n(d) bulb<\/p>\n

\nAnswer<\/span><\/summary>\n

(b) negative terminal
\nThe positive terminal of one cell is connected to the negative terminal.<\/p>\n<\/details>\n

\n

Question 25.
\nThe bulb glows as soon as the switch is moved to the:
\n(a) \u2018ON\u2019 position
\n(b) \u2018OFF\u2019 position
\n(c) both (a) and (b)
\n(d) none of these<\/p>\n

\nAnswer<\/span><\/summary>\n

(a) \u2018ON\u2019 position
\nThe bulb glows as soon as the switch is \u2018ON\u2019 position.<\/p>\n<\/details>\n

\n

Question 26.
\nThe electric current flows from the end of cell marked ‘+\u2019 called the:
\n(a) negative terminal
\n(b) positive terminal
\n(c) electric current
\n(d) none of these<\/p>\n

\nAnswer<\/span><\/summary>\n

(d) none of these
\nThe cell marked ‘+\u2019 is called positive terminal.<\/p>\n<\/details>\n

\n

Question 27.
\nThrough the metal wires to the end marked \u2018 \u2014 \u2019 called the:
\n(a) bulb
\n(b) positive terminal
\n(c) battery
\n(d) negative terminal<\/p>\n

\nAnswer<\/span><\/summary>\n

(d) negative terminal
\nThe marked \u2018 is called the negative terminal.<\/p>\n<\/details>\n

\n

Question 28.
\nThe bulb has a thin wire called:
\n(a) battery
\n(b) cell
\n(c) filament
\n(d) none of these<\/p>\n

\nAnswer<\/span><\/summary>\n

(b) cell
\nThe bulb has thin wire called filament.<\/p>\n<\/details>\n

\n

Question 29.
\nA fan used electric current to rotate to blow:
\n(a) air
\n(b) current
\n(c) wire
\n(d) none of these<\/p>\n

\nAnswer<\/span><\/summary>\n

(a) air
\nA fan uses electric current to rotate to blow air.<\/p>\n<\/details>\n

\n

Match the column A with column B:<\/span><\/p>\n

Question 1.<\/p>\n\n\n\n\n\n\n\n
Column-A<\/strong><\/td>\nColumn-B<\/strong><\/td>\n<\/tr>\n
(a) Ordinary magnet<\/td>\n(i) U-shaped iron rod<\/td>\n<\/tr>\n
(b) Hammer<\/td>\n(ii) Soft iron rod<\/td>\n<\/tr>\n
(c) Electriomagnet<\/td>\n(iii) Steel and armature<\/td>\n<\/tr>\n
(d) Armature<\/td>\n(iv) Permanent magnetism<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n
\nAnswer<\/span><\/summary>\n\n\n\n\n\n\n\n
Column-A<\/strong><\/td>\nColumn-B<\/strong><\/td>\n<\/tr>\n
(a) Ordinary magnet<\/td>\n(iv) Permanent magnetism<\/td>\n<\/tr>\n
(b) Hammer<\/td>\n(iii) Steel and armature<\/td>\n<\/tr>\n
(c) Electromagnet<\/td>\n(i) U-shaped iron rod<\/td>\n<\/tr>\n
(d) Armature<\/td>\n(ii) Soft iron rod<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/details>\n
\n

Question 2.<\/p>\n\n\n\n\n\n\n\n
Column-A<\/strong><\/td>\nColumn-B<\/strong><\/td>\n<\/tr>\n
(a) MCB<\/td>\n(i) Battery<\/td>\n<\/tr>\n
(b) Battery<\/td>\n(ii) The bulb will not glow<\/td>\n<\/tr>\n
(c) Two or more cells<\/td>\n(iii) Tractors, trucks<\/td>\n<\/tr>\n
(d) \u2018OFF\u2019 position<\/td>\n(iv) Miniature Circuit Breaker<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n
\nAnswer<\/span><\/summary>\n\n\n\n\n\n\n\n
Column-A<\/strong><\/td>\nColumn-B<\/strong><\/td>\n<\/tr>\n
(a) MCB<\/td>\n(iv) Miniature Circuit Breaker<\/td>\n<\/tr>\n
(b) Battery<\/td>\n(iii) Tractors, trucks<\/td>\n<\/tr>\n
(c) Two or more cells<\/td>\n(i) Battery<\/td>\n<\/tr>\n
(d) \u2018OFF\u2019 position<\/td>\n(ii) The bulb will not glow<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/details>\n
\n

Question 3.<\/p>\n\n\n\n\n\n\n\n
Column-A<\/strong><\/td>\nColumn-B<\/strong><\/td>\n<\/tr>\n
(a) Electromagnet<\/td>\n(i) Battery<\/td>\n<\/tr>\n
(b) Electric bell<\/td>\n(ii) Attracted piece of iron<\/td>\n<\/tr>\n
(c) Longer Line<\/td>\n(iii) Electromagnet<\/td>\n<\/tr>\n
(d) \"MCQ<\/td>\n(iv) Positive terminal<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n
\nAnswer<\/span><\/summary>\n\n\n\n\n\n\n\n
Column-A<\/strong><\/td>\nColumn-B<\/strong><\/td>\n<\/tr>\n
(a) Electromagnet<\/td>\n(ii) Attracted piece of iron<\/td>\n<\/tr>\n
(b) Electric bell<\/td>\n(iii) Electromagnet<\/td>\n<\/tr>\n
(c) Longer Line<\/td>\n(iv) Positive terminal<\/td>\n<\/tr>\n
(d) \"MCQ<\/td>\n(i) Battery<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/details>\n
\n

State the following statements are True or False:<\/span><\/p>\n

Question 1.
\nThe fuse wire never breaks.<\/p>\n

\nAnswer<\/span><\/summary>\n

False<\/p>\n<\/details>\n

\n

Question 2.
\nLonger line in the symbol for a cell represents its negative terminals.<\/p>\n

\nAnswer<\/span><\/summary>\n

False<\/p>\n<\/details>\n

\n

Question 3.
\nTo make a battery of two cells, the negative terminal of one cell is connected to the negative terminal of other cell.<\/p>\n

\nAnswer<\/span><\/summary>\n

False<\/p>\n<\/details>\n

\n

Question 4.
\nAn electromagnet attracted a table of wood.<\/p>\n

\nAnswer<\/span><\/summary>\n

False<\/p>\n<\/details>\n

\n

Question 5.
\nAn electric bell has not an electromagnet.<\/p>\n

\nAnswer<\/span><\/summary>\n

False<\/p>\n<\/details>\n

\n

Question 6.
\nWhen the electric current through the fuse exceeds a certain limit, the fuse wire melts and break.<\/p>\n

\nAnswer<\/span><\/summary>\n

True<\/p>\n<\/details>\n

\n

Question 7.
\nPlastic is not a magnetic substances.<\/p>\n

\nAnswer<\/span><\/summary>\n

True<\/p>\n<\/details>\n

\n

Question 8.
\nA key or an electric switch is a control consisting of an electrical device for changing the connections.<\/p>\n

\nAnswer<\/span><\/summary>\n

True<\/p>\n<\/details>\n

\n

Question 9.
\nThe amount of heat depends on its length, thickness, length in a wire.<\/p>\n

\nAnswer<\/span><\/summary>\n

True<\/p>\n<\/details>\n

\n

Question 10.
\nMans Christian was the first person to notice the deflection of compass needle.<\/p>\n

\nAnswer<\/span><\/summary>\n

True<\/p>\n<\/details>\n

\n

Question 11.
\nThe electrical circuit which is broken at some point is called short circuit.<\/p>\n

\nAnswer<\/span><\/summary>\n

False<\/p>\n<\/details>\n

\n

Question 12.
\nPlastic is the best conductor of electricity.<\/p>\n

\nAnswer<\/span><\/summary>\n

False<\/p>\n<\/details>\n

\n

Fill in the blanks:<\/span><\/p>\n

Question 1.
\nThe depostion of a layer of metal on some other metal is called ……………………..<\/p>\n

\nAnswer<\/span><\/summary>\n

electroplating<\/p>\n<\/details>\n

\n

Question 2.
\nA combination of two or more cells is called ……………………..<\/p>\n

\nAnswer<\/span><\/summary>\n

battery<\/p>\n<\/details>\n

\n

Question 3.
\nThe …………………….. terminal of one cell is connected to the negative terminal of the next cell.<\/p>\n

\nAnswer<\/span><\/summary>\n

positive<\/p>\n<\/details>\n

\n

Question 4.
\nBulb …………………….. when the circuit is complte.<\/p>\n

\nAnswer<\/span><\/summary>\n

glows<\/p>\n<\/details>\n

\n

Question 5.
\n…………………….. is a device used to prevent any change being caused to circuit and electric appliances.<\/p>\n

\nAnswer<\/span><\/summary>\n

Fuse<\/p>\n<\/details>\n

\n

Question 6.
\n…………………….. is a coil of wire which gets heated up when electric current is passed through it.<\/p>\n

\nAnswer<\/span><\/summary>\n

Element<\/p>\n<\/details>\n

\n

Question 7.
\nElectromagnet is a …………………….. magnetism.<\/p>\n

\nAnswer<\/span><\/summary>\n

temporary<\/p>\n<\/details>\n

\n

Question 8.
\nThe wastage of electricity by a bulb can be reduced by using …………………….. tube lights.<\/p>\n

\nAnswer<\/span><\/summary>\n

fluorescent<\/p>\n<\/details>\n

\n

Hope the information shared regarding the NCERT MCQ Questions for Class 7 Science Chapter 14 Electric Current and Its Effects with Answers Pdf free download is true and genuine as far as our knowledge is concerned. If you feel any information regarding CBSE Class 7 Science Electric Current and Its Effects MCQs Multiple Choice Questions with Answers is missing do reach us and we will look into it and add it accordingly.<\/p>\n","protected":false},"excerpt":{"rendered":"

Students are advised to practice the NCERT MCQ Questions for Class 7 Science Chapter 14 Electric Current and Its Effects with Answers Pdf free download is available here. MCQ Questions for Class 7 Science with Answers are prepared as per the Latest Exam Pattern. Students can solve these Electric Current and Its Effects Class 7 …<\/p>\n

MCQ Questions for Class 7 Science Chapter 14 Electric Current and Its Effects<\/span> Read More »<\/a><\/p>\n","protected":false},"author":9,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"spay_email":""},"categories":[35],"tags":[],"yoast_head":"\nMCQ Questions for Class 7 Science Chapter 14 Electric Current and Its Effects - NCERT Solutions<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/ncertsolutions.guru\/mcq-questions-for-class-7-science-chapter-14\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"MCQ Questions for Class 7 Science Chapter 14 Electric Current and Its Effects - NCERT Solutions\" \/>\n<meta property=\"og:description\" content=\"Students are advised to practice the NCERT MCQ Questions for Class 7 Science Chapter 14 Electric Current and Its Effects with Answers Pdf free download is available here. 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