
E04 AC
Quiz
•
Mathematics
•
Professional Development
•
Practice Problem
•
Hard
Reu Pan
FREE Resource
Enhance your content in a minute
51 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In a parallel ac circuit with XL and XC,
IL and Ic are 90° out of phase.
IL and IC are in phase.
IL and IC are 180° out of phase.
XL and XC are 90° out of phase.
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the term for the out-of-phase power associated with inductors and capacitors?
Effective power.
True power.
Peak envelope power.
Reactive power.
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In an AC circuit, if the voltage and current are in phase, the circuit is
resistive
capacitive
reactive
inductive
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
For a capacitor in a sine-wave ac circuit,
Vc lags ic by 90°
ic leads Vc by 90°
ic and Vc have the same frequency.
All of the above.
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Calculate the r.m.s. value of a sinusoidal current of maximum value 20A.
7.07 A
14.14 A
28.28 A
26.25 A
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
An alternating voltage is given by v=75 sin (200πt −0.25) volts. Find the phase angle (in degrees and minutes)
14.32 (lagging)
14.32 (leading)
31.83 (lagging)
31.83 (leading)
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In a parallel RL circuit,
IL lags IR by 90°.
IL leads IR by 90°.
IL and IR are in phase.
IR lags IL by 90°.
Access all questions and much more by creating a free account
Create resources
Host any resource
Get auto-graded reports

Continue with Google

Continue with Email

Continue with Classlink

Continue with Clever
or continue with

Microsoft
%20(1).png)
Apple
Others
Already have an account?
Similar Resources on Wayground
Popular Resources on Wayground
15 questions
Fractions on a Number Line
Quiz
•
3rd Grade
20 questions
Equivalent Fractions
Quiz
•
3rd Grade
25 questions
Multiplication Facts
Quiz
•
5th Grade
54 questions
Analyzing Line Graphs & Tables
Quiz
•
4th Grade
22 questions
fractions
Quiz
•
3rd Grade
20 questions
Main Idea and Details
Quiz
•
5th Grade
20 questions
Context Clues
Quiz
•
6th Grade
15 questions
Equivalent Fractions
Quiz
•
4th Grade
