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A series circuit contains only a resistor and an inductor. The voltage V of the generator is fixed. If R = 20 Ω and L = 2.8 mH,...Asked by Elizabeth
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
Answer in Hz
Answers
Answered by
bobpursley
when is
2*10=sqrt(100+2PIfL)
solve for f
2*10=sqrt(100+2PIfL)
solve for f
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