The potential difference across a 6Ω resistor is 12V. The current flowing in the resistor will be
4A
2A
1A
0.5A
A
2A
B
0.5A
C
4A
D
1A
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Solution
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Answer is B.
According to Ohm's law, V = IR. That is, I = V/R. In this case, the Voltage V = 12 V and Resistance R = 6 ohms. So, I = 12/6 = 2A. Hence, the current through the resistor is 2 A.
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