Class 7 Science MCQs - Chapter 6
Electrical Circuits and Electric Currents Quiz Questions & Answers PDF Download - 7
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Electrical Circuits and Electric Currents Exam Questions and Answers PDF Download: Test 7
Another example of 'electromagnets' in trains is
- bullet train
- passenger train
- maglev train
- cargo train
Turning off a switch also put the bulb off, this is because the circuit is
- cooled down
- not complete
- joined
- unbroken
'Earphones' are
- magnets
- small loudspeakers
- soft speakers
- magnetized speakers
In 1 minute, 1kW electric fire uses 10 times as much energy as a
- 1W LED light
- 10W LED light
- 100W bulb
- 0.1W RC Car
Electrons release energy in the form of
- heat energy
- thermal energy
- sound energy
- light energy
Class 7 Science Mock Tests
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