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AC Circuit Resonance

0 votes

asked Dec 12, 2015 in ELECTRICAL ENGINEERING by anonymous

2 Answers

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(a)

Find the parallel imepdance.

image is in parallel to image.

image

image is in series with image.

image

image

In any network, image at resonance.

Here image.

image

Compare the imaginary terms.

image

Therefore, image

answered Dec 12, 2015 by Lucy Mentor
edited Dec 12, 2015 by Lucy
0 votes

(b)

From (a): image

image is in parallel to image.

image

image is in series with image and image.

image

image

image

Find the current.

image

image

image

Total current in the circuit at resonance is image

answered Dec 12, 2015 by Lucy Mentor

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