Homework Help: Physics

Posted by Rachal on Wednesday, February 9, 2011 at 3:50am.

In an electrical circuit, the current passing through a conductor varies inversely with the resistance. Suppose that when the current is 8A (amperes), the resistance is 15 ohms. What is the current when the resistance is 4 ohms?

Physics-my answer - Rachal, Wednesday, February 9, 2011 at 4:15am
E=IR
E=15*8
E=120V
--------------
I=E/R
I=120/4
I=30 amperes
Physics - drwls, Wednesday, February 9, 2011 at 8:09am
That is correct. (15/4)*8 = 30 A

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