Question

A current of 0.2 A flows through a wire whose ends are at a potential difference of 20 V. Calculate the resistance of the wire.

Answer 1

Here I = 0.2 A, 

V = 20 V,

t = 1 min = 60 sec

The resistance of wire R = `"V"/"I"`

= `20/0.2`

= 100 Ω