Electronics and Communication Engineering - Networks Analysis and Synthesis - Discussion

Discussion Forum : Networks Analysis and Synthesis - Section 7 (Q.No. 17)
17.
A capacitor whose capacitance Ct = C0 (1- cos ωt) is fed by a sinusoidal voltage v = V0 sin ωt. The equation for current i is
ω C0V0 cos ωt
ω C0V0 sin ωt
ω C0V0 (cos ωt - cos2 ωt)
none of the above
Answer: Option
Explanation:

i = or i = C0 (1 - cos ωt) ωV0 cos ωt = C0ωV0 (cos ωt - cos2 ωt)

Discussion:
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