NEET UG PHYSICS MCQ: ALTERNATING CURRENT

1 Hard

1 of 1

Application +4 | -1

AC voltage V(t)

= \mathrm{20 sin}\,\mathrm{\omega t}

of frequency 50 Hz is applied to a parallel plate capacitor. The separation between the plates is 2 mm and the area is

1\,{m^2}.

The amplitude of the oscillating displacement current for the applied AC voltage is ….
[Take,

{\varepsilon _0} = 8.85 \times {10^{ - 12}}F/m]

View answer and explanation

Correct option: C

\mathrm{27}\mathrm{.79 \mu A}

Option C (

\mathrm{27}\mathrm{.79 \mu A}

) is correct because the amplitude of the displacement current is calculated using the formula

I_d = \epsilon_0 A \frac{dV}{dt} \frac{1}{d}

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