Energy Power Time - Assessment

Energy Power Time

Assessment

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C R

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Physics, Science

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9th - 11th Grade

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84 plays

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8 questions

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1.

Multiple Choice

30 sec

1 pt

What is the unit of measurement for power?

Joules

Watts

Voltage

Calories

2.

Multiple Choice

30 sec

1 pt

The equation for POWER is:

power = mass x time

power = Energy / time

power = time / water

power = Energy x time

3.

Multiple Choice

30 sec

1 pt

How much energy does this appliance transfer per second?

240 V

50 Hz

150 W

N533

4.

Multiple Choice

30 sec

1 pt

A microwave has a power rating of 1550 W. How much energy does it transfer per second?

1.550 Joules

15.50 Joules

155.0 Joules

1550 Joules

5.

Multiple Choice

30 sec

1 pt

Which appliance transfers the most energy per second?

Clock

Lamp

Desktop Computer

Iron

6.

Multiple Choice

30 sec

1 pt

A lamp has a 120 W power rating. It is left on for 30 seconds. How much energy did it use?

3600 J

36 J

450 J

nah

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