# 1Multiple Choice
According to Ohm's Law (V = I × R), if a lamp has a voltage of 12 V and a resistance of 6 Ω, what is the current flowing through it?
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0.5 A
2 A
18 A
72 A
Ohm Law's and Current
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High 9
Physics
Ohm Law's and Current
68
High 9
Physics
Ohm Law's and Current
68
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# 2Multiple Choice
If a wire has a resistance of 10 Ω and a current of 0.5 A flows through it, what is the voltage across the wire?
0.05 V
5 V
10.5 V
50 V
# 3Multiple Choice
A resistor with a value of 20 Ω is connected to a battery of 10 V. Calculate the current flowing through the resistor.
0.5 A
2 A
10 A
200 A
# 4Multiple Choice
If a current of 3 A flows through a resistance of 8 Ω, what is the voltage of the source?
2.67 V
11 V
24 V
15 V
# 5Multiple Choice
An electrical appliance requires a current of 2 A and operates at a voltage of 220 V. What is its resistance?
110 Ω
218 Ω
440 Ω
1100 Ω
# 6Multiple Choice
A household electric iron has a resistance of 110 Ω and is connected to a voltage of 220 V. How much current flows through it?
0.5 A
2 A
110 A
24200 A
# 7Multiple Choice
A current of 0.4 A flows through a resistor of 30 Ω. What is the voltage across the resistor?
0.013 V
12 V
30.4 V
75 V
# 8Multiple Choice
If a potential difference of 18 V produces a current of 0.6 A, what is the resistance?
0.033 Ω
10.8 Ω
17.4 Ω
30 Ω
# 9Multiple Choice
A light bulb has a resistance of 48 Ω. What voltage is needed for a current of 0.25 A to flow through it?
0.005 V
12 V
47.75 V
192 V
# 10Multiple Choice
A conductor has a resistance of 12 Ω. If it is connected to a 36 V source, what is the current?
0.33 A
3 A
48 A
432 A
# 11Multiple Choice
If 600 coulombs of charge flow for 3 minutes, what is the current in amperes?
0.2 A
3.33 A
200 A
1800 A
# 12Multiple Choice
If a current of 2 A flows for 5 seconds, what is the amount of electric charge that has moved?
0.4 C
2.5 C
10 C
20 C
# 13Multiple Choice
A conductor is supplied with a charge of 300 C over a period of 2 minutes. What is the electric current?
0.17 A
2.5 A
150 A
600 A
# 14Multiple Choice
In 20 seconds, 80 coulombs of charge flow through a conductor. Calculate the current.
0.25 A
4 A
16 A
1600 A
# 15Multiple Choice
A current of 0.5 A flows for 10 minutes. How much electric charge has moved?
0.083 C
5 C
30 C
300 C
# 16Multiple Choice
An electric circuit is supplied with a current of 3 A for 25 seconds. Determine the amount of charge that flows.
0.12 C
8.33 C
75 C
750 C
# 17Multiple Choice
If a charge of 1,200 C flows through a wire in 10 minutes, what is the current?
0.2 A
2 A
120 A
12000 A
# 18Multiple Choice
In 15 seconds, a current of 0.4 A flows through a wire. Calculate the amount of charge that flows.
0.027 C
6 C
15.4 C
60 C
# 19Multiple Choice
A current of 1.5 A flows for 4 minutes. Determine the electric charge that has moved.
0.25 C
6 C
360 C
540 C
# 20Multiple Choice
A conductor is passed by a charge of 900 C in 5 minutes. Calculate the electric current flowing.
0.17 A
3 A
180 A
4500 A
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