Power Calculating

Power Calculating

9th Grade

10 Qs

quiz-placeholder

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Power Calculating

Power Calculating

Assessment

Quiz

Science

9th Grade

Hard

CCSS
8.EE.A.4, 7.RP.A.3, 8.EE.C.7B

+3

Standards-aligned

Created by

Barbara White

FREE Resource

10 questions

Show all answers

1.

FILL IN THE BLANK QUESTION

1 min • 5 pts

An alarm clock draws 0.5 A of current when connected to a 120 volt circuit. What amount of power is used by the alarm clock?

Tags

CCSS.8.EE.A.4

2.

FILL IN THE BLANK QUESTION

1 min • 5 pts

A subwoofer needs a household voltage of 110 V to push a current of 5.5 A through its coil. What is the power used by the subwoofer?

3.

FILL IN THE BLANK QUESTION

1 min • 5 pts

If a toaster produces 12 watts of power in a 120-volt circuit, what is the amount of current in the circuit?

Tags

CCSS.7.RP.A.3

4.

FILL IN THE BLANK QUESTION

1 min • 5 pts

An electric heater works by passing a current of 50 A though a coiled metal wire, making it red hot, and uses 120 W of power. What voltage must be applied to run the heater?

Tags

CCSS.8.EE.C.7B

5.

FILL IN THE BLANK QUESTION

1 min • 5 pts

What current flows through a hair dryer plugged into a 12 Volt circuit if it uses 25 W of power? (Round to 2 decimal places)

Tags

CCSS.8.EE.A.1

6.

FILL IN THE BLANK QUESTION

1 min • 5 pts

A clothes dryer in a home has a power of 4,500 watts and runs on a special 220-volt household circuit. What is the current through the dryer? (Answer to 2 decimal places)

Tags

CCSS.6.RP.A.3D

7.

FILL IN THE BLANK QUESTION

1 min • 5 pts

What is the resistance of a 60 watt light bulb operated at 120 volts?

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