Question

The potential difference between electric heater is 60 v when it draw a current of 4 A form the source the resistance of the electric coil is

Answer 1

Explanation:

From ohm's law

V=IR

60=4×R

R=15 ohm

Answer 2

V=60V

I=4A

V=IR

$r = \frac{v}{i} \\ = \frac{60}{4} \\ = 15ohm$