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AC Circuit

0 votes

asked Dec 9, 2015 in ELECTRICAL ENGINEERING by anonymous

1 Answer

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The impedance is combination of resistor and inductor connected in series.

The impedance image in polar form, Where is the phase angle and image is the phase angle.

Find the magniutde of the of the impedance.

image

image

Find the phase angle of the of the impedance.

Phase angle can be found by power factor.

Find the power factor.

image

image

image

image

Therefore, impedance image.

For inductor, the impedance is image.

image in complex form can be written as image

For capacitor, the impedance is image.

image in complex form can be written as image

Power factor is image

answered Dec 9, 2015 by Lucy Mentor

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