CUET · PHYSICS · PYQ PAPER 2023
Displacement current exists only when
- A electric field is changing
- B magnetic field is changing
- C electric field is not changing
- D magnetic field is not changing
Answer & Solution
Correct Answer
(A) electric field is changing
Step-by-step Solution
Detailed explanation
Displacement current \(\left(I_d\right)\) is proportional to the rate of change of electric flux over time \(\left(I_d=\epsilon_0 \frac{d \Phi_E}{d t}\right)\). Therefore, it only exists in regions where the electric field is varying, such as between the plates of a charging…
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