DC Theory Level V #2

DC Theory Level V #2

University

10 Qs

quiz-placeholder

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DC Theory Level V #2

DC Theory Level V #2

Assessment

Quiz

Mathematics

University

Practice Problem

Medium

Created by

Chad Talbott

Used 7+ times

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10 questions

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1.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

The Superposition Method is based on the fact that the current at any point in a circuit is the sum of the currents caused by each of the power sources

true

false

2.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

Graphite is an example of a diamagnetic material.

true

false

3.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

Anytime a conductor cuts through magnetic lines of flux ______.

it becomes properly polarized

voltage is induced into the conductor

creates a series circuit

free electrons are released

4.

MULTIPLE SELECT QUESTION

15 mins • 1 pt

Select all that apply:

The left hand rule for generators can be used to find...

thrust

field

voltage

current

5.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

The ______ in a DC generator changes alternating voltage into direct voltage.

core

slip ring

coil

commutator

6.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

You are asked to install an intercom system at the front gate of Chad's house. The unit to be located at the gate operates on 24 volts, ± 1 volt, and draws 0.5 amps. The power supply is located in the master unit, 500 feet away. What is the smallest copper wire (in cmil) you can use to run this circuit? Given: Kcopper = 10.4

2700 cmil

3000 cmil

4760 cmil

5200 cmil

7.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

One form of Kirchhoff's Law states that the algebraic sum of the _____ in a closed circuit must equal zero.

resistors

power sources

voltage drops

wattages

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