Physics
Grade-7
Easy

Question

The device used to make or break an electric circuit is

  1. Resistor
  2. Battery
  3. Switch
  4. Ammeter

hintHint:

Switch operation

The correct answer is: Switch


    Switch makes the circuit complete or incomplete based on its operation, when it is turned on, the circuit is complete and the current flows whereas when it is turned off, the circuit becomes incomplete and flow of current stops.

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