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If the current in the resistor R in diagram above is 0.05A, calculate the p.d....

Physics
WAEC 1995

If the current in the resistor R in diagram above is 0.05A, calculate the p.d. across the inductor.

  • A. 2.5V
  • B. 25.0V
  • C. 49.0V
  • D. 50.0V
  • E. 250.0V
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Correct Answer: Option A
Explanation

V= i × \(_l\)

X\(_l\) = inductive reactance → 50

I = current → 0.05A
V = 0.05 × 50

V = 2.5volt

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