Question

The capacitance of a parallel plate capacitor varies as per the equation C(t) = C₀ (1 - cos ωt). It is connected to a battery of V volts. The equation for current is

a.

ωC₀V (1 - cos ωt)

b.

ωC₀V(1 - sin ωt)

c.

ωC₀V (1 - sin 2ωt)

d.

ωC₀V sin ωt

Answer: (d).ωC₀V sin ωt

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Q. The capacitance of a parallel plate capacitor varies as per the equation C(t) = C₀ (1 - cos ωt). It is connected to a battery of V volts. The equation for current is

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