Define / explain the following terms.

Electric fuse

Important Questions on Electric Current and its Effects

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?

MEDIUM

7th CBSE

IMPORTANT

Science Horizons>Chapter 13 - Electric Current and its Effects>Exercises>Q D

What is an electromagnet? What are its properties?

MEDIUM

7th CBSE

IMPORTANT

Science Horizons>Chapter 13 - Electric Current and its Effects>Exercises>Q D

Give two uses of electromagnets?

MEDIUM

7th CBSE

IMPORTANT

Science Horizons>Chapter 13 - Electric Current and its Effects>Exercises>Q D

In an electric bell, explain the function of a switch.

MEDIUM

7th CBSE

IMPORTANT

Science Horizons>Chapter 13 - Electric Current and its Effects>Exercises>Q D

In an electric bell, explain the function of an electromagnet.