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Physics · Electromagnetic Waves

NEET (UG) 2023 — Question 11

An ac source is connected to a capacitor CC. Due to decrease in its operating frequency :

  1. Option A:

    displacement current increases

  2. Option B:

    displacement current decreases

    Correct
  3. Option C:

    capacitive reactanceremains constant

  4. Option D:

    Capacitive reactance decreases

Answer: B

Step-by-step solution

xC=1ωCx_C=\frac{1}{\omega C}

Since ω\omega decreasing XCX_{\mathrm{C}} will increases hence current will decreases

also conduction current = displacement current

Therefore displacement current will decrease.

Answer key and solution verified before publishing.

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Exam
NEET (UG) 2023
Paper
2023 paper
Subject
Physics
Chapter
Electromagnetic Waves
Topic
Displacement Current and Equation of EM Waves

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