Asked by austin

the current I in an electrical conductor varies inversely as the resistance R of the conductor . the current is 4 amps when the resistance is 280 ohms . what is the current when

the resistance is 40 ohms ?
Answered by austin
no clue . someone else please help
Answered by Henry
I = 280/40 * 4 = 28 Amps.

or
E = I*R = 4*280 = 1120 v.
I = E/R = 1120/40 = 28 Amps.