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Home > Ordnance Documents and other related manuals > > Practice Exercise - OD10020035
Electrical Circuit Defects - Continued
Answers to Practice Exercise - OD10020036

Wheeled Vehicle Electrical Systems
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Lesson 1
PRACTICE EXERCISE
1.
The nucleus of an atom contains particles with
a.
negative and positive charges.
b.
positive and neutral charges.
c.
neutral and negative charges.
2.
A material that contains many free electrons is called
a.
a compound.
b.
a conductor.
c.
an insulator.
3.
Which of the following does not affect the strength of an electromagnet?
a.
The amount of current flow
b.
The number of turns in the coil
c.
The direction of current flow
4.
Which defect will prevent current flow?
a.
Short circuit
b.
Ground
c.
Open circuit
5.
The current in a circuit can be reduced by increasing the
a.
resistance.
b.
applied voltage.
c.
diameter of the conductor.
29






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