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Most Important Selected Qs for JEE AdvancedPhysicsAlternating Current

Paragraph: A coil having a resistance of 50.0 and an inductance of 0.5 H is connected to an AC source of 110 ~V , 50 Hz . Question: The impedance of the coil is (approximately)

Options

  1. A165
  2. B55
  3. C330
  4. Dnone of these

Correct answer

A. 165

Step-by-step solution

The impedance is z= R^2+ ^2 L^2 and the rms current is i_ ms = V_ ms z .

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