# Bandwidth of an RLC Circuit MCQ’s

This set of Network Theory Multiple Choice Questions & Answers (MCQs) focuses on “Bandwidth of an RLC Circuit”.

1. At upper half power frequency, the expression for power (P_{2}) is?

a) I^{2}_{max}R

b) (I^{2}_{max}R)/2

c) (I^{2}_{max}R)/4

d) (I^{2}_{max}R)/8

2. Determine the resonant frequency for the specifications: R = 10Ω, L = 0.1H, C = 10µF.

a) 157

b) 158

c) 159

d) 160

3. The expression of power (P_{1}) at lower half power frequency is?

a) (I^{2}_{max}R)/8

b) (I^{2}_{max}R)/4

c) (I^{2}_{max}R)/2

d) I^{2}_{max}R

4. The expression for lower half power frequency is?

a) (-R+√(x^{2}+4LC))/4πL

b) (–R-√(x^{2}+4LC))/4πL

c) (R-√(x^{2}+4LC))/4πL

d) (R+√(x^{2}+4LC))/4πL

5. The expression for bandwidth is?

a) R/πL

b) R/2πL

c) R/4πL

d) R/8πL

6. In a series circuit having resistance and inductance, the quality factor is?

a) ωL/R

b) R/ωL

c) ωL

d) R

7. The expression for upper half power frequency is?

a) (R+√(x^{2}+4LC))/4πL

b) (R-√(x^{2}+4LC))/4πL

c) (–R-√(x^{2}+4LC))/4πL

d) (-R+√(x^{2}+4LC))/4πL

8. In series circuits, the expression for quality factor is?

a) f_{r}

b) BW

c) f_{r}/BW

d) BW/f_{r}

9. If a series circuit contains resistor and capacitor, the expression for quality factor is?

a) C

b) ωRC

c) ωC

d) 1/ωRC

10. The quality factor of the coil for a series circuit having R = 10Ω, L = 0.1H, C = 10µF.

a) 1

b) 5

c) 10

d) 15