Elec 04-01 to Elec 04-04 AC Circuits

Elec 04-01 to Elec 04-04 AC Circuits

11th Grade

33 Qs

quiz-placeholder

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Elec 04-01 to Elec 04-04 AC Circuits

Elec 04-01 to Elec 04-04 AC Circuits

Assessment

Quiz

Mathematics

11th Grade

Medium

Created by

IU Lee

Used 1+ times

FREE Resource

33 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

1 min • 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

1 min • 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

1 min • 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

1 min • 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

1 min • 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°

6.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

What is the power factor (PF) of a purely resistive ac circuit?
Zero
1
0.707
Without values, it cannot be determined

7.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

A resistive and a capacitive load of equal magnitude is connected in series, determine the phase difference between the voltage and the current
current leads the voltage by 45°
current lags the voltage by 45°
current leads the voltage by 90°
current lags the voltage by 90°

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