MEDIUM
7th Jammu and Kashmir Board
IMPORTANT
Earn 100

Draw an electrical circuit with an electrical cell, a bulb, and an 'ON' switch. 

Important Questions on Electric Current and Circuits

MEDIUM
7th Jammu and Kashmir Board
IMPORTANT
SCIENCE A TEXTBOOK FOR CLASS 7>Chapter 14 - Electric Current and Circuits>EXERCISES>Q C
Why does an electric bulb get hot if it is kept 'ON' for a little while?
EASY
7th Jammu and Kashmir Board
IMPORTANT
SCIENCE A TEXTBOOK FOR CLASS 7>Chapter 14 - Electric Current and Circuits>EXERCISES>Q C
Name three appliances that use heating effect of electric current.
EASY
7th Jammu and Kashmir Board
IMPORTANT
SCIENCE A TEXTBOOK FOR CLASS 7>Chapter 14 - Electric Current and Circuits>EXERCISES>Q C
What is an electric fuse?
EASY
7th Jammu and Kashmir Board
IMPORTANT
SCIENCE A TEXTBOOK FOR CLASS 7>Chapter 14 - Electric Current and Circuits>EXERCISES>Q C
Draw an electric fuse and explain briefly how it works.
MEDIUM
7th Jammu and Kashmir Board
IMPORTANT
SCIENCE A TEXTBOOK FOR CLASS 7>Chapter 14 - Electric Current and Circuits>EXERCISES>Q C
How can you show that an electric current has a magnetic effect?
EASY
7th Jammu and Kashmir Board
IMPORTANT
SCIENCE A TEXTBOOK FOR CLASS 7>Chapter 14 - Electric Current and Circuits>EXERCISES>Q C
What is an electromagnet?
EASY
7th Jammu and Kashmir Board
IMPORTANT
SCIENCE A TEXTBOOK FOR CLASS 7>Chapter 14 - Electric Current and Circuits>EXERCISES>Q C
Name two factors on which the strength of an electromagnet depends.
MEDIUM
7th Jammu and Kashmir Board
IMPORTANT
SCIENCE A TEXTBOOK FOR CLASS 7>Chapter 14 - Electric Current and Circuits>EXERCISES>Q C
Explain the working of an electric bell using diagrams.