Ohms and Power Law

Ohms and Power Law

10th Grade

10 Qs

quiz-placeholder

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Ohms and Power Law

Ohms and Power Law

Assessment

Quiz

Mathematics, Physics

10th Grade

Hard

Created by

Elaine Maestas

Used 38+ times

FREE Resource

10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

3 mins • 10 pts

An MP3 player uses a standard 9 V battery. How

much resistance is in the circuit if it uses a current of

0.003A?

0.0003Ω

0.027Ω

300Ω

3,000Ω

2.

MULTIPLE CHOICE QUESTION

3 mins • 10 pts

Calculate the power of a motor that draws a current of 5 A when connected to a 12 volt battery.

416W

0.416W

2.4W

60W

3.

MULTIPLE CHOICE QUESTION

3 mins • 10 pts

Tommy runs his juicer every morning. The juicer uses 120 W of Power and the current supplied is 3.2 A. How many volts are necessary to run the juicer?

26 V

0.026 V

37.5 V

384 V

4.

MULTIPLE CHOICE QUESTION

3 mins • 10 pts

Media Image

Calculate the total power through the circuit.

0.576 W

0.0048 W

4.8 W

3,000 W

5.

MULTIPLE CHOICE QUESTION

3 mins • 10 pts

Which equation is used to calculate power?

R/V²

R x I²

I² x V

V x R²

6.

MULTIPLE CHOICE QUESTION

3 mins • 10 pts

Calculate the power rating of a home appliance (in kilowatts) that has a resistance 160k ohms when plugged into a 120-volt outlet.

9 W

0.09 W

0.9 W

90 W

7.

MULTIPLE CHOICE QUESTION

3 mins • 10 pts

Media Image

Calculate the resistance of the circuit.

2.4

240

2,400

24,000

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