Ag Mech I- 4.06: Electrical Principles

Front

How many watts will be used in 10 hours if an electric motor requires 7.5 amperes of electricity and is on a 120-volt electric circuit?

Back

9000

Front

What is the unit of measurement of electrical pressure?

Back

volt

Front

What is a device used to protect circuits from an overload of current?

Back

fuse

Front

If electricity costs $0.15 per kilowatt-hour, how much does it cost to operate a router that requires 7.5 amperes of electricity and is used in a 120-volt electrical circuit for 2 hours?

Back

$0.27

Front

If the local rate for electricity is $0.13 per kilowatt-hour, how much should the electric bill be for 120 kilowatt-hours?

Back

$15.60

Front

A current-carrying conductor under electrical pressure in a/an: fuse, hot wire, isulator, neutral wire

Back

hot wire

Front

A portable saw requiring 7.5 amperes of electricity is designed to be used in a 120-volt electrical circuit. How many kilowatts of current does this saw use in 1 hour?

Back

0.9

Front

An agricultural mechanics shop has five 200-watt lights, a 600-watt saw, and a 100-watt fan that were used for 5 hours. How many kilowatts of electricity were used?

Back

8.5

Front

A current-carrying conductor NOT under electrical pressure is a/an:

Back

neutral wire

Front

A fuse is a:

Back

device used to protect circuits from an overload of current