Question

A series R, L, C circuit has R = 2Ω, L = 1H, C = 1 μF. It is connected to an ac variable frequency source of peak voltage 10 V. At resonance the power supplied by the source will be

a.

50 Ω

b.

25 Ω

c.

12.5 Ω

d.

6.25 Ω

Answer: (b).25 Ω

Interact with the Community - Share Your Thoughts

Uncertain About the Answer? Seek Clarification Here.

Understand the Explanation? Include it Here.

Q. A series R, L, C circuit has R = 2Ω, L = 1H, C = 1 μF. It is connected to an ac variable frequency source of peak voltage 10 V. At resonance the power supplied by the source will...

Similar Questions

Explore Relevant Multiple Choice Questions (MCQs)

Q. A series circuit has R = 5 Ω and C = 10 μF. At t = 0 it is switched on to a 10 V dc battery. The maximum current in the circuit is

Q. A practical Parallel resonant circuit has a coil in Parallel with a 0.14 μf capacitor. The coil has an inductance of 1 mH and a resistance of 10 ohms. The Q of the circuit is

Q. An AC circuit has two branches in parallel. The current in one branch is 5 A. Then the current source

Q. A material for permanent magnet should have

Q. Which of the following frequencies has the greatest period?

Q. A variable resistance R and capacitive reactance XC are fed by an voltage. The current locus is

Q. Two wires A and B have the same cross-section area and are made of the same material. RA = 600 Ω and RB = 100 Ω. The number of times A is longer than B is

Q. A dc machine has 6 poles all connected in series. Each pole has 9 H inductance and field current is 2 A. Total inductance and total energy stored are

Q. In the Bode plot, of H(s) = 1 + s/20, the phase at w = 15 is

Q. The inductance of an air cored coil is 2 H. The number of turns is made 3 times, all other quantities remaining the same. The new value of inductance will be 2 2

Q. Tellegen's theorem is applicable to

Q. Which of the statement is correct?

Q. Which synthesis procedure requires the use of mutual inductance?

Q. A series RL circuit is excited by a voltage v(t) = Vm sin (ωt + Φ). The transient current will be zero if

Q. The electrolyte in a dry cell is completely dry.

Q. A series RLC circuit has a resonant frequency of 2000 Hz. The maximum voltage across C is likely to occur at a frequency of about

Q. Assertion (A): Thevenin's theorem and Norton's theorem are dual of each other.

Reason (R): Voltage source can be converted into current source and vice versa.

Q. A coil has a resistance of 2 Ω and inductance of 0.1 mH. The applied voltages is suddenly increased from 10 V to 20 V. After steady state condition have reached, the current is

Q. In a series RLC circuit the dB level of currents at half power frequencies as compared to current at resonance is

Q. If A = 10 + j then logeA 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!