The voltage across a 100-μF capacitor takes thefollowing values. Calculate the expression for thecurrent through the capacitor in each case.a. vC(t) = 40 cos(20t − π/2) Vb. vC(t) = 20 sin 100t Vc. vC(t) = −60 sin(80t + π/6) Vd. vC(t) = 30 cos(100t + π/4) V

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The voltage across a 100-μF capacitor takes the
following values. Calculate the expression for the
current through the capacitor in each case.
a. vC(t) = 40 cos(20t − π/2) V
b. vC(t) = 20 sin 100t V
c. vC(t) = −60 sin(80t + π/6) V
d. vC(t) = 30 cos(100t + π/4) V

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Step 1

Given capacitor voltage and value of capacitor is –

Value of current is –

Step 2

Given capacitor voltage and value of capacitor is –

Value of current is –

Step 3

Given capacitor voltage and value of capacitor is –

Value of current is –

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