PhysicsCurrent electricityJAMB
A Wheatstone bridge balances with P = 4 Ω, Q = 6 Ω and R = 10 Ω. Find the unknown resistance S.
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Answer: C. 15 Ω
P/Q = R/S, so S = 10 × 6/4 = 15 Ω.
An AdmitMe practice question, written for the JAMB syllabus. Not an official past question.