Give one property that a fuse wire should have.

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 A

What happens when we increase the number of turns in a solenoid?

EASY

7th CBSE

IMPORTANT

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

In which direction does the current flow in a closed circuit?

EASY

7th CBSE

IMPORTANT

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

Name the scientist who discovered the magnetic effect of current.

EASY

7th CBSE

IMPORTANT

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

Name the two devices based on the use of electromagnet.

EASY

7th CBSE

IMPORTANT

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

Which material is used to make the filament of a room heater.

EASY

7th CBSE

IMPORTANT

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

Name the material used in making a filament of bulb?

EASY

7th CBSE

IMPORTANT

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

The use of a fuse is based on the _____ effect of current.

EASY

7th CBSE

IMPORTANT

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

Nichrome wire is used for making _____.