Homework Help: Physics

Posted by Elizabeth on Thursday, March 21, 2013 at 3:16pm.

A series circuit contains only a resistor and an inductor. The voltage V of the generator is fixed. If R = 10 Ω and L = 4.2 mH, find the frequency at which the current is one-half its value at zero frequency?

Answer in Hz

Physics - bobpursley, Thursday, March 21, 2013 at 3:20pm
when is

2*10=sqrt(100+2PIfL)
solve for f

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