Electricity - Calculating electrical consumption

Electricity - Calculating electrical consumption

10th Grade

11 Qs

quiz-placeholder

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Electricity - Calculating electrical consumption

Electricity - Calculating electrical consumption

Assessment

Quiz

Science

10th Grade

Practice Problem

Hard

NGSS
HS-PS3-1

Standards-aligned

Created by

Lenny Marlina

Used 59+ times

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11 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

Calculate the power of bulb X.

2 W

6 W

8 W

12 W

2.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Media Image

Calculate the electrical energy used by bulb X in 2 minutes.

12 J

24 J

1440 J

720 J

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

A toaster, rated 1500 W 240 V, is switched on for 15 minutes. Calculate the energy used.

3600 J

22 500 J

216 000 J

1 350 000 J

Tags

NGSS.HS-PS3-1

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

An air-con, rated 1.8 kW 240 V, is switched on for 10 minutes. Calculate the energy used.

1 080 000 J

144 000 J

2400 J

18 J

Tags

NGSS.HS-PS3-1

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

A fan, rated 50 W 240 V, uses 90 000 J of electrical energy. How long was the fan switched on?

Hint: Find the time.

1800 h

1800 s

375 s

375 h

6.

FILL IN THE BLANK QUESTION

1 min • 1 pt

Media Image

Calculate the power of the light bulb P.

7.

FILL IN THE BLANK QUESTION

1 min • 1 pt

Media Image

Calculate the power of the light bulb Q.

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