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AP EAMCET20224 Jul 2022Morning ShiftPhysicsAlternating CurrentActual

A coil of inductance 0 . 1 H and resistance 110 Ω is connected to a source of 110 V and 350 Hz . The phase difference between the voltage maximum and the current maximum is

Options

  1. Atan - 1 1 . 5
  2. Btan - 1 0 . 5
  3. Ctan - 1 1 . 73
  4. Dtan - 1 2

Correct answer

D. tan - 1 2

Step-by-step solution

Inductive reactance is X L = ω L = 2 π f L = 2 π × 350 × 0 . 1 = 219 . 9   Ω Now, total reactance is X = X L Phase difference is tan ϕ = X R = 219 . 9 110 = 1 . 99 ≈ 2 Hence, phase difference between the voltage maximum and the current maximum is ϕ = tan - 1 2 .

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