MyQuestionIcon

1

You visited us 1 times! Enjoying our articles? Unlock Full Access!

Wave Equation of EM Waves

The capacitor...

Question

The capacitor is replaced by one with $C = 0.0360 μ F$ and the source frequency is adjusted to the new resonance value. Then, what is the average power (in W) delivered by the source?

Open in App

Solution

$P = \frac{V_{r m s}^{2}}{R} = 75 W$

Suggest Corrections

thumbs-up

0

Similar questions

Q. What is the average power (in W) delivered by the source?

Q. A series LCR circuit with L = 0.12 H, C = 480 nF, R = 23 W is connected to a 230 V variable frequency supply. (a) What is the source frequency for which current amplitude is maximum. Obtain this maximum value. (b) What is the source frequency for which average power absorbed by the circuit is maximum. Obtain the value of this maximum power. (c) For which frequencies of the source is the power transferred to the circuit half the power at resonant frequency? What is the current amplitude at these frequencies? (d) What is the Q-factor of the given circuit?

Q. For the AC circuit shown, the reading of ammeter and voltmeter are

5 A

50 \sqrt{5}

volts respectively, then

L - C - R

series circuit with

L = 0.120 H, R = 240 Ω

C = 7.30 μ F

carries an rms current of

0.450 A

with a frequency of

400 H z

. What average power is delivered by the source? (rounded off to the nearest integer)

Q. A capacitor charged to initial charge of

2C ε

is connected to a resistance

R

and source of emf

ε

by a switch S. Positive plate of capacitor is connected to positive terminal of source. At t = 0 switch S is closed, then

View More

Join BYJU'S Learning Program

similar_icon

Related Videos

lock

Electromagnetic Spectrum

PHYSICS

Watch in App

explore_more_icon

Explore more

Wave Equation of EM Waves

Standard XII Physics

Join BYJU'S Learning Program

CrossIcon