Free Practice Question
PS · Problem Solving
505-555
Algebra
In a circuit, two resistors with resistances a and b are connected in parallel. If R is the combined resistance of these two resistors, then the reciprocal of R is equal to the sum of the reciprocals of a and b. What is R in terms of a and b?
Answer Choices
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ab/(a + b)
B
a + b
C
1/(a + b)
D
ab
E
(a + b)/ab
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Explanation
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R
RApr 4, 2025
Thank you very much!
Details
Difficulty
505-555
Type
PS
Category