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Electromagnetic Waves question bank (Physics)

Practice 20 free MHT-CET Physics - Electromagnetic Waves questions with answers and step-by-step solutions.

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Q1.

A parallel-plate capacitor of $50\ \mu\text{F}$ contains a dielectric slab of constant ($k$) with the same dimensions. If a time-varying potential difference is applied at a rate of $50\ \text{V/s}$. What is the displacement current in the capacitor?

(A)
$5\ \text{mA}$
(B)
$2.5\ \text{mA}$
(C)
$3\ \text{mA}$
(D)
$1.5\ \text{mA}$
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Q2.

Select the 'WRONG' statement out of the following.

(A)
Electromagnetic waves do not require any medium for their propagation.
(B)
Electromagnetic waves can travel through vacuum waves speed of light
(C)
Material medium is necessary for propagation of electromagnetic waves.
(D)
Electromagnetic waves are transverse in nature.
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