Power System

Power System

1st Grade

24 Qs

quiz-placeholder

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Power System

Power System

Assessment

Quiz

Instructional Technology

1st Grade

Medium

Created by

Pain Pain

Used 1+ times

FREE Resource

24 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

20 sec • 5 pts

In a series RLC circuit, what is the nature of the power factor of the circuit if the frequency is very high

unity

leading

lagging

cannot be determined

2.

MULTIPLE CHOICE QUESTION

30 sec • 5 pts

Which of the following is not a unit of electrical energy?

W

Ws

J

kWh

3.

MULTIPLE CHOICE QUESTION

30 sec • 5 pts

What does a positive power in an electrical element indicate?

Element may absorb or supply powe

The sign of the power does not matter

The element is supplying power

The element is absorbing power

4.

MULTIPLE CHOICE QUESTION

30 sec • 5 pts

In three phase system, the three voltages (or currents) differ in phase by ____ electrical degrees from each other in a particular sequence.

30

120

60

90

5.

MULTIPLE CHOICE QUESTION

30 sec • 5 pts

Which of the following elements of electrical engineering cannot be analyzed using Ohm’s law?

capacitors

resistors

inductors

transistors

6.

MULTIPLE CHOICE QUESTION

30 sec • 5 pts

______ states that the total electric flux through any closed surface is equal to the charge enclosed by that surface.

Faraday's law

Gauss' law

Lenz's law

Maxwell's law

7.

MULTIPLE CHOICE QUESTION

30 sec • 5 pts

What part of an electric machine will the temperature rise mainly affect?

speed of the machine

conductance of the windings

insulation of the machine

output voltage of the machine

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