Question

help needed please

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Answer 1

Answer:

According to ohm's law the current flowing in a conductor is directly proportional to the potential difference across its ends provided the physical conditions and the temperature of the conductor remains constant

R=V/R

V=I×R

Resistance :The obstruction offered to the flow of current by the conductor or wire is called it's resistance

resistance is a scalar quantity

unit of resistance is ohm

factors effecting the resistance of a conductor are

1.the material of the wire

2.the length of the wire

3.the area of cross section of the wire

4.the temperature of the wire

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