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Questions and Answers
What type of materials are good conductors of electricity?
What type of materials are good conductors of electricity?
- Metals (correct)
- Rubber
- Wood
- Plastics
Why is it dangerous to touch an electrical appliance with wet hands?
Why is it dangerous to touch an electrical appliance with wet hands?
- Wet hands reduce the resistance of the body
- Wet hands create an insulating layer
- Wet hands increase the conductivity of the body (correct)
- Wet hands cause a short circuit
What should be used for all activities suggested in the text?
What should be used for all activities suggested in the text?
- Electric cells (correct)
- Generator supply
- Mains supply
- Inverter supply
What should be used to test whether a liquid allows electric current to pass through it or not?
What should be used to test whether a liquid allows electric current to pass through it or not?
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What did the tester in Class VI help in deciding?
What did the tester in Class VI help in deciding?
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