MEDIUM
7th CBSE
IMPORTANT
Earn 100

Give reasons for the following.

A metal safety pin stuck to an electromagnet falls down when the current in the electromagnet is switched off.

Important Questions on Electric Current and its Effects

EASY
7th CBSE
IMPORTANT
Science Horizons>Chapter 13 - Electric Current and its Effects>Exercises>Q D
Define / Explain the following term.
Electric circuit
EASY
7th CBSE
IMPORTANT
Science Horizons>Chapter 13 - Electric Current and its Effects>Exercises>Q D

Define / Explain the following terms.

Electric circuit diagram

MEDIUM
7th CBSE
IMPORTANT
Science Horizons>Chapter 13 - Electric Current and its Effects>Exercises>Q D

Define / Explain the following terms.

Heating element

MEDIUM
7th CBSE
IMPORTANT
Science Horizons>Chapter 13 - Electric Current and its Effects>Exercises>Q D

Define / explain the following terms.

Electric fuse

MEDIUM
7th CBSE
IMPORTANT
Science Horizons>Chapter 13 - Electric Current and its Effects>Exercises>Q D
Define / Explain the following terms.
Electromagnet
MEDIUM
7th CBSE
IMPORTANT
Science Horizons>Chapter 13 - Electric Current and its Effects>Exercises>Q D
What is heating effect of electric current?
MEDIUM
7th CBSE
IMPORTANT
Science Horizons>Chapter 13 - Electric Current and its Effects>Exercises>Q D
Name two appliances that use heating effect of electric current?
MEDIUM
7th CBSE
IMPORTANT
Science Horizons>Chapter 13 - Electric Current and its Effects>Exercises>Q D
What is an electric fuse, and how it is useful?