What is meant by resistance of a wire?

Important Questions on Electric Current and Its Effects

EASY

7th CBSE

IMPORTANT

Exploring Science BASED ON THE LATEST NCF GUIDELINES 7>Chapter 14 - Electric Current and Its Effects>Exercise>Q H

What is meant by overloading of an electrical circuit?

EASY

7th CBSE

IMPORTANT

Exploring Science BASED ON THE LATEST NCF GUIDELINES 7>Chapter 14 - Electric Current and Its Effects>Exercise>Q H

On what principle an electric bell works? What does it consist of?

EASY

7th CBSE

IMPORTANT

Exploring Science BASED ON THE LATEST NCF GUIDELINES 7>Chapter 14 - Electric Current and Its Effects>Exercise>Q I

Give the electrical symbols for a resistance.

EASY

7th CBSE

IMPORTANT

Exploring Science BASED ON THE LATEST NCF GUIDELINES 7>Chapter 14 - Electric Current and Its Effects>Exercise>Q I

Give the electrical symbols for electric cell.

EASY

7th CBSE

IMPORTANT

Exploring Science BASED ON THE LATEST NCF GUIDELINES 7>Chapter 14 - Electric Current and Its Effects>Exercise>Q I

Give the electrical symbols for battery.

EASY

7th CBSE

IMPORTANT

Exploring Science BASED ON THE LATEST NCF GUIDELINES 7>Chapter 14 - Electric Current and Its Effects>Exercise>Q I

Give the electrical symbols for electric bulb.

EASY

7th CBSE

IMPORTANT

Exploring Science BASED ON THE LATEST NCF GUIDELINES 7>Chapter 14 - Electric Current and Its Effects>Exercise>Q I

Give the electrical symbols for:

(a) switch in 'ON' position (b) wire.

EASY

7th CBSE

IMPORTANT

Exploring Science BASED ON THE LATEST NCF GUIDELINES 7>Chapter 14 - Electric Current and Its Effects>Exercise>Q I

What is short-circuit? What are the causes of short circuit?