Physicshard · Past Paper
The total resistance of 'n' identical resistors in series is S. When they are connected in parallel, the total resistance is P. The ratio S/P is:
An
Bn^2
C1/n
D1
✓ Correct Answer: B — n^2
S = nR, P = R/n. S/P = nR / (R/n) = n^2.
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