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WorksheetsOhm's Law & Power
Total questions: 12
Worksheet time: 6mins
I = 20 A, R = 5 Ω; E = ?
100 ohms
100 volts
100 amps
4 volts
I = 150 A, R = 3 Ω; E = ?
450 ohms
450 amps
50 volts
450 volts
E = 24 V, R = 3 Ω; I = ?
8 volts
72 amps
8 amps
72 ohms
E = 36 V, R = 12 Ω; I = ?
3 ohms
3 volts
3 amps
3 watts
E = 12 V, I = 4 A; R = ?
48 volts
3 ohms
48 ohms
3 amps
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
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
A solar module spec calls for 60.0 volts and 7.5 amps. What is power rating on this module?
427 W
450 W
45.0 kW
8 W
Calculate the amount of current (I) that will go through the wire in this circuit.
48 amps
2 amps
48 watts
2 watts
What is the resistance of the wire. Ω ?
12 joules
12 watts
12 Ω
12 coulombs
What is the amount of current in this circuit?
36 amps
4 amps
4 milliamps
36 watts
A certain smart phone charger outputs 5.0 V and 2.0 A. What is the resistance?
10 ohms
2.5 volts
10 amps
2.5 Ω
