Question

9. Calculate the potential difference to be applied
across a conductor of resistance 20, so that a
current of 2 A may flow through it.​

Answer 1

Given,

Resistance (R) = 20 Ω

Current (I) = 2 A

V = IR

V = (2*20) V

V = 40 V

The Potential Difference is 40 V.

I hope this helps.