An electric circuit consists of 100 branches connected in parallel. Each branch has 10 resistors in series, each with a value of R. What is the equivalent resistance?
A) R
B) 10R
C) R/100
D) R/10
E) 100R
IMAT 2025 · Question 56
Q56 - Resistances in series and parallel
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The correct answer is D) R/10.
Each branch has 10 resistors in series, so 10R. A hundred identical branches in parallel divide that by 100: 10R/100 = R/10.
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