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Question

Moving charges constitute


A

electrode

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B

electric current

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C

static electricity

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D

magnetism

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Solution

The correct option is B

electric current


Explanation of correct option:

(b) The motion of charges produces an electric current.

Current is defined as the rate at which electrons flow past a point in an electrical circuit.

Explanation of incorrect option:

(a) An electrode is defined as an electrical conductor which is used to make contact with a nonmetallic part of a circuit.

(c) Static electricity is produced when two objects are rubbed together and charged particles are transferred from one surface to another.

(d) Magnetism is a magnetic property induced in the surrounding area of a magnet or current-carrying conductor.

Therefore, the correct option is (b).


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