# 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 (P2) is?
a) I2maxR
b) (I2maxR)/2
c) (I2maxR)/4
d) (I2maxR)/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 (P1) at lower half power frequency is?
a) (I2maxR)/8
b) (I2maxR)/4
c) (I2maxR)/2
d) I2maxR

4. The expression for lower half power frequency is?
a) (-R+√(x2+4LC))/4πL
b) (–R-√(x2+4LC))/4πL
c) (R-√(x2+4LC))/4πL
d) (R+√(x2+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+√(x2+4LC))/4πL
b) (R-√(x2+4LC))/4πL
c) (–R-√(x2+4LC))/4πL
d) (-R+√(x2+4LC))/4πL

8. In series circuits, the expression for quality factor is?
a) fr
b) BW
c) fr/BW
d) BW/fr

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