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Question 13.14: Determine the rms current in Figure 13-35.

Determine the rms current in Figure 13-35.

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Convert 10 kHz to 10\times 10^{3}Hz and 100 mH to 100 \times 10^{-3}H. Then calculate X_{L}.

X_{L}= 2\pi fL= 2\pi (10\times 10^{3} Hz)(100 \times 10^{-3}H)= 6283 \ \Omega

Apply Ohm’s law to determine the rms current.

I_{rms}= \frac{V_{rms}}{X_{L}}= \frac{5 \ V}{6283 \ \Omega } = 796 \ \mu A

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