Electrical Circuits Exam - Module 26103-20

An electrical device that operates by chemically creating a potential difference between two points is a

• motor

• light bulb

• receptacle

• battery

An electron repels a(n).

• proton

• neutron

• electron

• positive ion

Which of the following is considered a good semiconductor?

• Silicon

• Porcelain

• Platinum

• Silver

Materials with electrical characteristics that fall between those of insulators and conductors are considered

• charged

• magnetic

• semiconductors

• stable

Which of the following is used to step voltage up for transmission?

• Conductor

• Generator

• Transformer

• Insulator

Magnetic lines of force are also referred to as

• flux lines

• leads

• poles

• electron shell

Voltage is defined as the

• difference of potential

• rate of current flow
• measure of electrical resistance
• unit of electrical power

Coulombs are a measure of

• current

• Electric charge

• Resistance

• Capacitance

What is the circuit current if the voltage source is 120V and the resistance is 10 ohms?

• 24 A

• 36 A

• 48 A

• 12 A

A measurement of 1.000 mils is equal to

• 0.1 inch

• 0.001 inch

• 1 inch

• 0.01 inch