R-L Series A.C. Circuit Quiz

R-L Series A.C. Circuit Quiz

University

15 Qs

quiz-placeholder

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R-L Series A.C. Circuit Quiz

R-L Series A.C. Circuit Quiz

Assessment

Quiz

Engineering

University

Easy

Created by

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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