Class 7 Science MCQs - Chapter 7
Electrical Circuits and Electric Currents Quiz Questions and Answers PDF - 27
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Electrical Circuits and Electric Currents Questions & Answers PDF Download: MCQ Quiz 27
MCQ 131: The volume control regulator in a CD receiver, radio and amplifier also use
- transistor
- variable resistor
- thermistor
- fixed resistor
MCQ 132: Maglev trains float on the track because of
- friction
- energy
- electromagnetism
- mechanical repulsion
MCQ 133: Another gas, that is used as replacement of argon is known as
- oxygen
- carbon monoxide
- nitrogen
- hydrogen
MCQ 134: Ammeter can be connected anywhere because current is
- same in the whole circuit
- least near the bulb
- least near the cell
- greatest near the switch
MCQ 135: 1000mA of current is equal to
- 1A
- 10A
- 100A
- 0.1A
Class 7 Science Mock Tests
Electrical Circuits and Electric Currents Learning App & Free Study Apps
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