# Electronics DC Circuits Fall Semester Exam

23 Questions | Total Attempts: 407

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Complete the exam independantlty and quietly . Raise your hand when you are finished so I can record your grade in the book.

• 1.
What type of circuit combines one or more series circuits with one or more parallel circuits?
• A.

Simple

• B.

Series

• C.

Series-Parallel

• D.

Parellel

• 2.
The first step in calculating voltage drops in a series-parallel circuit is to determine _____.
• A.

The resistance of the parallel resistors

• B.

The resistance of the series resistors

• C.

Total current

• D.

Total voltage

• 3.
1. Ohmâ��s Law states that current is _____.

• A.

Inversely proportional to power

• B.

Directly proportional to voltage

• C.

Inversely proportional to voltage

• D.

Directly proportional to resistance

• 4.
What is the unit of measure for power?
• A.

Amphere

• B.

Volt

• C.

Watt

• D.

Ohm

• 5.
What symbol represents power?
• A.

P

• B.

V

• C.

I

• D.

R

• 6.
What happens to current when voltage increases?
• A.

Decreases

• B.

Increases

• C.

Remains the same

• 7.
Current in a series circuit
• A.

Varies

• B.

Increases at different points

• C.

Decreases at different points

• D.

Is the same at all points

• 8.
What effect on total current flow will a shorted series component have in a series-parallel circuit?
• A.

Total current will stop

• B.

There will be no effect

• C.

Total current will increase

• D.

Total current will decrease

• 9.
What is the fourth step of the troubelshooting procedure?
• A.

Check the setup

• B.

Check the results

• C.

Analyze the circuit

• D.

Calculate and measure values

• 10.
What would cause a component to drop the applied voltage?
• A.

A decrease in value

• B.

An increase in value

• C.

A short

• D.

An open

• 11.
Electrical shock occures when an individual touches
• A.

Electrical equipment

• B.

Ground and circuit

• C.

Elecrtrical components

• D.

Power supplies

• 12.
In the event of electrical shock, the rescuer should first
• A.

Perform CPR

• B.

Call for medical help and remove the victim from the electrical source

• C.

Check for breathing

• D.

Call for help

• 13.
Burns caused by electrical current flowing through the body tissure and bones are called
• A.

Arc Burns

• B.

Thermal Contact burns

• C.

Electrical Burns

• D.

Shock Burns

• 14.
Subtract (4M) - (2M)
• A.

2M

• B.

4M

• C.

6M

• D.

8M

• 15.
An electrostatic discharge passing through an ESD could cause catastophic failure, major electrical characteristic changes, or performance degradation in the device.
• A.

True

• B.

False

• 16.
What keeps an electron in orbit around the nucleaus?
• A.

More electrons than protons

• B.

Electrostatic force and electrons spinning

• C.

Less protons than electrons

• D.

Electrostatic force and protons spinning

• 17.
Convert .00004 to metric prefix
• A.

40 Micro

• B.

40 milli

• C.

4 micro

• D.

4 milli

• 18.
Convert 10000 to metric prefix
• A.

10 kilo

• B.

10 mega

• C.

100 kilo

• D.

100 mega

• 19.
What causes an overlaod condidtion when you are measuring resistance?
• A.

Range switch set too high for resistance to be measured

• B.

Range seitch set too low for resistance to be measured

• C.

Test leads connectred to multimeter incorrectly

• D.

Incorrect function selected for value being measured

• 20.
How does resistance affect current?
• A.

Less resistance=less current

• B.

More resistance=less current

• C.

More resistance=more current

• D.

Resistance does not affect current

• 21.
Which of the following answers best describe a normally closed switch?
• A.

A switch that cannot be opened

• B.

A switch that once closed,remains closed until it is unlatched by voltage

• C.

A switch that remains open until manually closed

• D.

A switch that remains closed until manually opened

• 22.
Which switch rotates on a shaft
• A.

Slide

• B.

Toggle

• C.

Rotary

• D.

Push Button

• 23.
The screwdriver is used for
• A.

Removing cabiunet cover fasteners

• B.

Prying open paint cans

• C.

Driving Nails

• D.

Dressing Cable

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