The potential gradient along the length of a uniform wire is 5 V/m. There are two points on the same wire at a distance of 20 cm and 40 cm from initial end of the wire. The potential difference between these points isA. 1VB. 2VC. 3VD. 4V

The potential gradient along the length of a uniform wire is 5 V/m. Th

1.	The potential gradient along the length of a uniform wire is 5 V/m. There are two points on the same wire at a distance of 20 cm and 40 cm from initial end of the wire. The potential difference between these points isA. 1VB. 2VC. 3VD. 4V
Answer» Correct Answer - A `V_(1)-V_(1)=Irho(l_(2)-l_(1))` `=5(40-20)xx10^(-2)` `=5xx20xx10^(-2)` `=1V`

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The potential gradient along the length of a uniform wire is 5 V/m. There are two points on the same wire at a distance of 20 cm and 40 cm from initial end of the wire. The potential difference between these points isA. 1VB. 2VC. 3VD. 4V

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