EASY
7th CBSE
IMPORTANT
Earn 100

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

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 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 _____.
EASY
7th CBSE
IMPORTANT
Exploring Science BASED ON THE LATEST NCF GUIDELINES 7>Chapter 14 - Electric Current and Its Effects>Exercise>Q C
The device used to prevent the flow of excess current is _____.
EASY
7th CBSE
IMPORTANT
Exploring Science BASED ON THE LATEST NCF GUIDELINES 7>Chapter 14 - Electric Current and Its Effects>Exercise>Q C
Which of these does not use the heating effect of current?