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What happens to the impedance of an RL circuit at high frequencies?

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Question: What happens to the impedance of an RL circuit at high frequencies?

Options:

  1. It decreases
  2. It increases
  3. It remains constant
  4. It becomes zero

Correct Answer: It increases

Solution: 

At high frequencies, the impedance of an RL circuit increases due to the inductive reactance, which is proportional to frequency.

What happens to the impedance of an RL circuit at high frequencies?

Practice Questions

Q1
What happens to the impedance of an RL circuit at high frequencies?
  1. It decreases
  2. It increases
  3. It remains constant
  4. It becomes zero

Questions & Step-by-Step Solutions

What happens to the impedance of an RL circuit at high frequencies?
  • Inductive Reactance – Inductive reactance increases with frequency, affecting the overall impedance of the circuit.
  • Impedance in RL Circuits – The total impedance in an RL circuit is a combination of resistance and inductive reactance.
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