Question

electric heater when a 15 resistance uses 120 potential difference if electricity is increased by 2 times then how much potential difference is required

Answer 1

R= 15 ohm

V = 120

V = IR

I= V/R

I=120/15

I= 8 A

IF current is icreased 2 times

I = 8*2=16 A

V= IR

15 * 16=240

Potential Difference required is 240 V