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WorksheetsOhm's Law
Total questions: 9
Worksheet time: 45mins
An alarm clock draws 0.5 A of current when connected to a 120 volt circuit. Calculate its resistance.
240 Ohms
60 Ohms
2401 Ohms
180 Ohms
An electric heater works by passing a current of 100 A though a coiled metal wire, making it red hot. If the resistance of the wire is 1.1 ohms, what voltage must be applied to it?
120 V
101 V
90.9 V
110 V
A circuit contains a 1.5 volt battery and a bulb with a resistance of 3 ohms. Calculate the current.
4.5 A
0.5 A
2 A
5 A
A circuit is drawing a current of 30 A and has a resistor with a 3 kΩ resistance. What is the voltage of the circuit?
100 V
0.1 V
90000 V
9000 V
What is the current through a 3 Ω resistor connected to a 24 V battery?
72 A
81 A
8 A
4 A
Calculate the current
6 A
54 A
0.6 A
5.4 A
If V = 12 V and R1 = 15 Ω, determine I
180 A
1.3 A
0.9 A
0.8 A
Current is all of the following EXCEPT:
The flow of electrons through a conductive material
ΔtΔq
RV
Energy associated with the flow of electrons
All of the following are units of current EXCEPT:
A
secC
Amps
V
