Ohm's Law & Power
Authored by Servando Gereau
Science
12th Grade - University
NGSS covered
Used 45+ times
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12 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
I = 20 A, R = 5 Ω; E = ?
100 ohms
100 volts
100 amps
4 volts
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
I = 150 A, R = 3 Ω; E = ?
450 ohms
450 amps
50 volts
450 volts
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
E = 24 V, R = 3 Ω; I = ?
8 volts
72 amps
8 amps
72 ohms
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
E = 36 V, R = 12 Ω; I = ?
3 ohms
3 volts
3 amps
3 watts
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
E = 12 V, I = 4 A; R = ?
48 volts
3 ohms
48 ohms
3 amps
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How much electrical power is being used by the light bulb if the current is 2 amps and the power source is 24 volts?
12 W
48 W
12 A
48 A
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Calculate the amount of power used by an electric heating element, if the input voltage is 120 volts and the heater's resistance is 2 ohms.
240 W
60 W
72.0 kW
7200 W
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