Electrical Engineering - RC Circuits - Discussion

Discussion Forum : RC Circuits - General Questions (Q.No. 25)
25.
A 2 k resistor and a 0.002 F capacitor are in series across an ac source. Current in the circuit is 6.50 mA. The true power is
84.5 mW
845 mW
13 mW
130 mW
Answer: Option
Explanation:
No answer description is available. Let's discuss.
Discussion:
4 comments Page 1 of 1.

PRANAY said:   1 decade ago
p = I^2*R
SO WE GOT THE RIGHT ANSWER

Sanju K said:   1 decade ago
P = I^2*R.
P = 6.50mA^2*2000.
P = 0.0845.
P = 84.5 mW.

ROOPESH D M said:   1 decade ago
Due to capacitance OR INDUCTANCE we get reactive power (Q).

The real power (S) depends on only resistance.

S=VI=(I^2)/R.

Flower Moon said:   10 years ago
As we know that:

P = VI.

& V = IR according to Ohm's law.

So P = (I^2)R.

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