Physicsmedium · Past Paper
Three resistors of 1, 2, and 3 Ohms are connected in series. The potential difference across the 2 Ohm resistor if the total voltage is 12V is:
A2 V
B4 V
C6 V
D8 V
✓ Correct Answer: B — 4 V
Total R = 1+2+3 = 6 Ohms. I = 12/6 = 2A. V across 2 Ohm = I*R = 2*2 = 4V.
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