This set of Network Theory Multiple Choice Questions & Answers (MCQs) focuses on “Phase Relation in a Pure Resistor”.
1. In the case of inductor, the voltage?
a) is in phase with the current
b) lags behind the current by 90⁰
c) leads the current by 90⁰
d) is out of phase with the current
2. For inductor, what is the current?
a) is out of phase with the current
b) leads the current by 90⁰
c) is in phase with the current
d) lags behind the current by 90⁰
3. The phase difference between voltage and current in case of resistor is?
a) in phase
b) out of phase
c) 45⁰ out of phase
d) 90⁰ out of phase
4. The value of inductance reactance is?
a) R
b) ωL
c) 1/ωL
d) ωC
5. In case of pure capacitor, the voltage?
a) leads the voltage by 90⁰
b) lags behind the voltage by 45⁰
c) lags behind the voltage by 90⁰
d) is in phase with the voltage
6. One sine wave has a positive peak at 75⁰, and another has a positive peak at 100⁰. How much is first sine wave shifted in phase from the 0⁰ reference?
a) leads reference angle by 10⁰
b) lags reference angle by 10⁰
c) leads reference angle by 15⁰
d) lags reference angle by 15⁰
7. The current in the pure capacitor?
a) lags behind the voltage by 90⁰
b) is in phase with the voltage
c) lags behind the voltage by 45⁰
d) leads the voltage by 90⁰
8. The impedance value of a pure capacitor is?
a) ωC
b) 1/ ωC
c) ωL
d) R
9. One sine wave has a positive peak at 75⁰, and another has a positive peak at 100⁰. How much is second sine wave shifted in phase from the 0⁰ reference?
a) lags reference angle by 15⁰
b) leads reference angle by 15⁰
c) lags reference angle by 10⁰
d) leads reference angle by 10⁰
10. One sine wave has a positive peak at 75⁰, and another has a positive peak at 100⁰. What is the phase angle between two sine waves?
a) 10⁰
b) 15⁰
c) 20⁰
d) 25⁰