What do you understand by the term electric current?

One Line Answer

Electric current: The rate of flow of electric charge in an electric circuit is called electric current.

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Types of Circuits: Simple Circuit

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Chapter 10: Electricity and Magnetism – 1 - Unit I Exercise 1

Chapter 10 Electricity and Magnetism – 1
Unit I Exercise 1 | Q 4.1

Name the constituents of a cell.

What is the function of a key (or switch) in an electric circuit?

There is a positively charged sphere A and negatively charged sphere B, such that they are brought in electrical contact by a copper wire.

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Write SI unit of
Electric current,

What is the other name of a variable resistor?

A wire of resistance 1 Ω is stretched to double its length. What will happen to the resistance of the stretched wire?