Question

In the circuit, Vs = 10 cos ωt, power drawn by the 4Ω resistor is 8 watt. The power factor is

a.

1

b.

0.5

c.

0.85

d.

0

Answer: (c).0.85

Interact with the Community - Share Your Thoughts

Uncertain About the Answer? Seek Clarification Here.

Understand the Explanation? Include it Here.

Q. In the circuit, Vs = 10 cos ωt, power drawn by the 4Ω resistor is 8 watt. The power factor is

Similar Questions

Explore Relevant Multiple Choice Questions (MCQs)

Q. The circuit in figure, is to be scaled to an impedance level of 5kΩ and resonant frequency of 5 x 10⁶ rad/sec. The possible combination of R, L, C is

Q. In figure, the total power consumed is

Q. In the circuit of figure, the source supplies, 2.25 mA. The value of R must be

Q. In figure, i(t) is a unit step current. The steady state value of v(t) is

Q. In figure, capacitor is used to develop pulses of short duration and large duty cycle across R2 when switch is closed. Which of the following combinations is best suited?

Q. In figure, which value of ZL will cause maximum power to be transferred to the load?

Q. In following circuit, steady state is reached with S open, S is closed at t = 0, the current I at t = 0+ is given by

Q. For the two port of figure, z22 is

Q. In figure readings of the two voltmeters should be

Q. In the circuit of figure, the current through battery E3 is

Q. In the circuit of figure

Q. Figure shows a pole zero plot of I(s). The likely current response in time domain is

Q. In figure, the short circuit current through terminal AB will be

Q. Identify which of the following is not a tree of the graph shown in figure

Q. The response of a network is shown in figure. Which of following represents location of poles?

Q. For the time domain response shown in figure the pole

Q. In figure, a voltmeter of internal resistance 1200 Ω is connected across 600 Ω resistance and it reads 5 V. The value of R is

Q. For the wave shown in figure, the average and rms values are

Q. The resonance frequency of the circuit is

Q. KVL for second loop in figure is

Recommended Subjects

Are you eager to expand your knowledge beyond Electronics and Communication Engineering? We've handpicked a range of related categories that you might find intriguing.

Click on the categories below to discover a wealth of MCQs and enrich your understanding of various subjects. Happy exploring!