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Question: Answered & Verified by Expert
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
PhysicsAlternating CurrentAP EAMCETAP EAMCET 2022 (04 Jul Shift 1)
Options:
  • A tan-11.5
  • B tan-10.5
  • C tan-11.73
  • D tan-12
Solution:
1150 Upvotes Verified Answer
The correct answer is: tan-12

Inductive reactance is XL=ωL=2πfL=2π×350×0.1=219.9 Ω

Now, total reactance is X=XL

Phase difference is tanϕ=XR=219.9110=1.992

Hence, phase difference between the voltage maximum and the current maximum is ϕ=tan-12.

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