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Voltage and current for a circuit with t...

Voltage and current for a circuit with two elements in series are expressed as
`V(t)=170sin(6280t+pi/3)volt`
`i(t)=8.5sin(6280t+pi/2)amp`
(a) Plot the two waveforms.
(b) Determine the frequency in Hz.
(c) Determine the power factor starting its nature.
(d) What are the values of the elements?

A

`R = 27.32 Omega, C = 25.92 mF`

B

`R = 17.32 Omega, C = 15.92 mF`

C

`R = 7.32 Omega, C = 5.92 mF`

D

`R = 10.32 Omega, C = 5.92 mF`

Text Solution

Verified by Experts

The correct Answer is:
B

`tan phi = (1)/(omega CR)` and `phi = (pi)/(6)`
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