Ohms and Power Law
Authored by Elaine Maestas
Mathematics, Physics
10th Grade
CCSS covered
Used 53+ times
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10 questions
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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
Tags
CCSS.7.RP.A.3
4.
MULTIPLE CHOICE QUESTION
3 mins • 10 pts
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
Tags
CCSS.8.EE.C.7B
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
Tags
CCSS.8.EE.A.2
7.
MULTIPLE CHOICE QUESTION
3 mins • 10 pts
Calculate the resistance of the circuit.
2.4 Ω
240 Ω
2,400 Ω
24,000 Ω
Tags
CCSS.7.RP.A.3
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