At very low frequencies a series R-C circuit behaves as almost purely___________?

Related Mcqs:

1. At _______ frequencies the parallel R-L circuit behaves as purely resistive

   A. low B. very low C. high D. very high...

2. In a series resonant circuit, the impedance of the circuit is___________?

   A. minimum B. maximum C. zero D. none of the above...

3. If resistance is 20 Q. and inductance is 27 in a R-L series circuit, then time constant of this circuit will be________?

   A. 0.001 s B. 0.1 s C. 10 s D. 100 s...

4. All the rules and laws of D.C. circuit also apply to A.C. circuit containing_____________?

   A. capacitance only B. inductance only C. resistance only D. all above...

5. The apparent power drawn by an A.C. circuit is 10 kVA and active power is 8 kW. The reactive power in the circuit is_________?

   A. 4 kVAR B. 6 kVAR C. 8 kVAR D. 16 kVAR...

6. The input of an A.C. circuit having power factor of 0.8 lagging is 40 kVA The power drawn by the circuit is__________?

   A. 12 kW B. 22 kW C. 32 kW D. 64 kW...

7. Which of the following circuit component opposes the change in the circuit voltage ?

   A. Inductance B. Capacitance C. Conductance D. Resistance...

8. All definitions of power factor of a series R-L-C circuit are correct except__________?

   A. ratio of net reactance and impedance B. ratio of kW and kVA C. ratio of J and Z D. ratio of W and VA...

9. The time constant of a series R-C circuit is given by____________?

   A. R/C B. RC2 C. RC D. R2C...

10. In R-L-C series resonant circuit magnitude of resonance frequency can be changed by changing the value of__________?

    A. R only B. L only C. C only D. LorC E. R,LorC...