In a balanced Wheatstone bridge with P = 10 Ω, Q = 20 Ω, R = 15 Ω, the unknown S is:

  1. 13.3 Ω
  2. 7.5 Ω
  3. 30 Ω
  4. 45 Ω
Answer

C) 30 Ω

PQ = RS. SLO P-09-E-22 · Application

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