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RLC Circuit

0 votes

asked Dec 5, 2015 in ELECTRICAL ENGINEERING by anonymous

5 Answers

0 votes

(a)

Observe the circuit:

The input sine voltage is image V.

Compare the function with .

Here Angular frequency image Hz.

imageimage and image are in series.

For series RLC circuit,

Total impedance is

image

Total impedance is image.

answered Dec 6, 2015 by cameron Mentor
edited Dec 6, 2015 by cameron
0 votes

(b)

Find total current in the circuit.

The input voltage .

Average voltage image.

From ohms law:  image.

From part (a) image.

image

image

In poolar form, image.

answered Dec 6, 2015 by cameron Mentor
0 votes

(c)

Find the voltage drop across the resistor.

image.

From part(b):  and image.

image

In polar form, .

answered Dec 7, 2015 by cameron Mentor
edited Dec 7, 2015 by cameron
0 votes

(d)

Find voltage through inductor.

From part (b): .

From part (a): image.

image

In polar form, image V.

Inductor voltage lags inductor current by image.

image

Voltage through Inductor image V.

answered Dec 7, 2015 by cameron Mentor
edited Dec 7, 2015 by cameron
0 votes

(e)

Find the voltage across capacitor.

From part(a): image.

image

In polar form, image.

Capacitor voltage lags Capacitor current by image.

image

Voltage across capacitor image.

answered Dec 7, 2015 by cameron Mentor
edited Dec 7, 2015 by cameron

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