
R-L Series A.C. Circuit Quiz

Quiz
•
Engineering
•
University
•
Easy
Dr Chandira Sekaran E
Used 1+ times
FREE Resource
15 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the phase relationship between the current I and the applied voltage V in an R-L series circuit?
I is independent of V
I leads V
I lags V
I is in phase with V
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In the phasor diagram of an R-L circuit, which voltage is in phase with the current?
V
VR
VC
VL
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the formula for calculating the phase angle Φ in an R-L circuit?
Φ = R/XL
Φ = tan⁻¹(XL/R)
Φ = XL/R
Φ = tan⁻¹(R/XL)
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What does the quantity Z represent in an R-L circuit?
Complex impedance
Inductive reactance
Resistance
Power factor
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the unit of admittance in an A.C. circuit?
Volt
Ampere
Siemen
Ohm
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In an R-C series circuit, which voltage lags behind the current?
VL
VR
V
VC
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What happens to the power factor when the circuit is purely resistive?
It becomes infinite
It becomes unity
It becomes negative
It becomes zero
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