EASY
7th CBSE
IMPORTANT
Earn 100

Give reason for the following:

Sometimes filaments in an electric bulb get fused. 

Important Questions on Electric Current and its Effects

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

Give reasons for the following.

Electric fuse wire is made of a material with a low melting point.

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

Give reasons for the following.

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

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?