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What is the value of R when G shows no deflection in the circuit illustrated above?



What is the value of R when G shows no deflection in the circuit illustrated above?
Take Free Practice Test On 2026 JAMB UTME, Post UTME, WAEC SSCE, GCE, NECO SSCE
  • A 80Ω
  • B 75Ω
  • C 45Ω
  • D 20Ω
  • E 10Ω
Correct Answer: Option D
Explanation:
R/30 = 100/150R = 20Ω

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