Homework Help: math

Posted by n on Wednesday, November 7, 2012 at 11:52pm.

In an electrical circuit, the current passing through a conductor varies inversely with the resistance. Suppose that when the current is 2A (amperes), the resistance is 115ohms. What is the resistance when the current is 5A ?

math - Henry, Friday, November 9, 2012 at 3:48pm
V = I*R = 2 * 115 = 230 Volts = Applied
voltage.

R = V/I = 230/5 = 46 Ohms.

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