Q1 of 41 Page 202

Name a device that helps to maintain a potential difference across a conductor.

An electric cell or a battery helps to maintain a potential difference across a conductor.


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2

Define the unit of current.

 3

Calculate the number of electrons constituting one coulomb of charge.

 2

What is meant by saying that the potential difference between two points is 1 V?

 3

How much energy is given to each coulomb of charge passing through a 6 V battery?