Electricity and Circuits

NCERT

Question

State whether true or false.
Conductors are used in making switchboard, handles of testers, screw drivers.

A
True
B
False
Easy
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Question

What is the ve terminal of dry cell made up of?

Medium
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Question

What is the ve terminal of dry cell made up of?

A
Carbon rod
B
Zinc plate
C
Magnesium plate
D
Cadmium rod
Easy
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Question

A dry cell converts ________ energy to electrical energy.

A
mechanical
B
chemical
C
solar
D
tidal
Easy
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Question

What is the purpose of using an electric switch? Name some electrical gadgets that have switches built into them.

Medium
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Question

Why should an electrician use rubber gloves while repairing an electric switch at your home? Explain.

Easy
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Question

Define conductors and insulators. Give one example of each.

Medium
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Question

Would the bulb glow in the circuit shown in the figure?

Medium
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Question

Draw circuit diagram showing a dry cell connected to a bulb through a switch a positive and negative terminal of the cell and the direction of flow of electronic current and conventional current

Easy
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Question

Mention two advantages of a dry cell.

Medium
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