Practice Test

In a parallel circuit, the total current is equal to the _____ of the individual branch circuits.

• Average

• Quotient

• Sum

• Difference

The National Electrical Code is a minimum ____ standard.

• safety

• product specification

• electrical product listing

• quality

Tags

CCSS.RI.11-12.3

CCSS.RI.11-12.5

CCSS.RI.8.5

CCSS.RI.9-10.3

CCSS.RI.9-10.5

Safety Harness should be worn

• When working above 6 feet

• When working near a hole/drop off

• When working on high scaffolding

• All the above

An electric circuit has a resistance of 20 Ω  The current is measured to be 6 A.  How many volts are applied to the circuit?

• 120

  
  

• 3 1/3

• 116

• 14

Tags

CCSS.7.RP.A.3

The speed of travel of electricity in a conductor is _____ the speed of light.

• equal to

  
  

• greater than

• less than

• all of the above

Alternating current is described as

• bidirectional

• unidirectional

• omnidirectional

A device that is designed to open and disconnect a circuit in the event of excessive current is a

• wire

• power supply

• potentiometer

• fuse

A point which is a common connection for other parts of a circuit is called a _____ point.

• circuit

• chassis

• ground

• supply

The term “load” refers to the amount of _____ in a circuit branch.

• resistance

• current

• voltage

• wattage

Which of the following materials are considered to be insulators?

• Plastic

• Wood

• Porcelain

• Rubber