Physicseasy · Past Paper
If the resistance of a circuit is doubled while the voltage remains the same, the current will:
ADouble
BStay the same
CBe halved
DBecome zero
✓ Correct Answer: C — Be halved
From V=IR, if R is doubled (V=I' * 2R), the new current I' must be V/(2R), which is half of the original current.
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