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WorksheetsOhm's Law
Total questions: 10
Worksheet time: 10mins
In a circuit, a resistor has a resistance of 5 ohms and the current through it is 3 amperes. What is the voltage across the resistor?
10 volts
15 volts
20 volts
25 volts
A motor requires 240 volts to operate and draws a current of 8 amperes. What is the resistance of the motor?
20 ohms
25 ohms
30 ohms
35 ohms
A 9-volt battery is connected to a circuit with a resistance of 3 ohms. How much current flows through the circuit?
1 ampere
2 amperes
3 amperes
4 amperes
A circuit consists of a 24-volt power supply and a resistor with a resistance of 12 ohms. What is the current in the circuit?
1 ampere
2 amperes
3 amperes
4 amperes
A resistor has a resistance of 25 ohms, and the current passing through it is 2 amperes. Calculate the voltage across the resistor.
40 volts
45 volts
50 volts
55 volts
A circuit with a resistance of 8 ohms has a current of 1.5 amperes flowing through it. What is the voltage?
10 volts
12 volts
14 volts
16 volts
In an electric circuit, the current is 0.8 amperes and the resistance is 50 ohms. What is the voltage?
30 volts
35 volts
40 volts
45 volts
A lamp has a resistance of 40 ohms and is connected to a 12-volt battery. Calculate the current flowing through the lamp.
0.2 amperes
0.3 amperes
0.4 amperes
0.5 amperes
A circuit with a resistance of 10 ohms has a current of 2 amperes flowing through it. What is the voltage?
15 volts
20 volts
25 volts
30 volts
A resistor in a circuit has a voltage of 18 volts across it and a current of 6 amperes. What is the resistance of the resistor?
3 watts
3 volts
3 amps
3 Ω
