The resistance of a conductor depends on

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Temperature of conductor

Material of conductor

Area of cross section of conductor

All of the above

answer is D.

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Detailed Solution

The correct option is

4

.
“The resistance of a conductor is described as the ratio of potential difference and current. Resistance is a condition which resists the flow of current in a conductor.” The resistance

(R)

of a conductor can be given by the relation

R = ρ \frac{l}{A}

where,

l

is length of wire,

A

is area of cross section of wire and

ρ

is resistivity.
So, resistance depends upon the length and area of the cross section of the conductor. It also depends upon the temperature and material of the conductor.

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