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7th Jammu and Kashmir Board
IMPORTANT
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Draw the standard symbol used to represent an open switch.

Important Questions on Electric Current and Circuits

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7th Jammu and Kashmir Board
IMPORTANT
SCIENCE A TEXTBOOK FOR CLASS 7>Chapter 14 - Electric Current and Circuits>Exercise 1
What are the necessary conditions required to make an electric current flow through a circuit?
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7th Jammu and Kashmir Board
IMPORTANT
SCIENCE A TEXTBOOK FOR CLASS 7>Chapter 14 - Electric Current and Circuits>EXERCISES>Q B
An electrical fuse is 
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7th Jammu and Kashmir Board
IMPORTANT
SCIENCE A TEXTBOOK FOR CLASS 7>Chapter 14 - Electric Current and Circuits>EXERCISES>Q B
 An electromagnet acts like a magnet
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7th Jammu and Kashmir Board
IMPORTANT
SCIENCE A TEXTBOOK FOR CLASS 7>Chapter 14 - Electric Current and Circuits>EXERCISES>Q B
Which of these does not use heating effect of current?
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7th Jammu and Kashmir Board
IMPORTANT
SCIENCE A TEXTBOOK FOR CLASS 7>Chapter 14 - Electric Current and Circuits>EXERCISES>Q B
An electric fuse wire melts if the amount of current flowing through it is.
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7th Jammu and Kashmir Board
IMPORTANT
SCIENCE A TEXTBOOK FOR CLASS 7>Chapter 14 - Electric Current and Circuits>EXERCISES>Q C
What is an electrical circuit?
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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.
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7th Jammu and Kashmir Board
IMPORTANT
SCIENCE A TEXTBOOK FOR CLASS 7>Chapter 14 - Electric Current and Circuits>Think and Answer>Q 2
You know that the strength of an electromagnet depends on the amount of current flowing in the coil. Do you think the magnetic strength will increase/decrease if the amount of current in the coil is increased?