Unit 9 Review

Materials that cut down or resist the flow of charges are called?

• conductor

• insulator

• resistor

• circut

A conductor is?

• material that current can pass through easily
• material that current cannot pass through easily
• magnet
• electric current

One amp is defined as the rate of charge flow equal to __ coulomb per second.

• 3

• 2

• 4

• 1

What is the power when a voltage of 120 V drives a 2-A current through a device?

• 120 Watts

• 360 Watts

• 240 Watts

A circuit with only one path for the current to flow is a __________________.

• parallel circuit

• series circuit

• mini circuit

• device

How many Volts would we need to produce a current of 8 Amps through a 6 Ohm resistor?

• 1.33 volts

• 24 volts

• 0.75

• 48 volts

A light circuit is operating at 75 Volts. What is the circuit's current if the resistance is 5 Ohms?

• 375 Amps

• 50 Amps

• 15 Amps

• 0.07 Amps

What resistance is needed to cause a 20A current flow with a 100V battery?

• 0.2Ώ

• 2000Ώ

• 200Ώ

• 5Ώ

What kind of circuit is this?

• series
• parallel
• solo
• circle

A shorthand method to represent the arrangement of the parts in a circuit is known as a(n):

• circuit diagram

• closed circuit

• electric charge

• switch