1.

In the circuit shown below, the switch is closed at t = 0, applied voltage is v (t) = 50cos (102t+π/4), resistance R = 10Ω and capacitance C = 1µF. The complete solution of ‘i’ is?

A. i = c exp (-t/10-5) – (4.99×10-3) cos⁡(100t+π/2+89.94o)
B. i = c exp (-t/10-5) + (4.99×10-3) cos⁡(100t+π/2+89.94o)
C. i = -c exp(-t/10-5) + (4.99×10-3) cos⁡(100t+π/2+89.94o)
D. i = -c exp(-t/10-5) – (4.99×10-3) cos⁡(100t+π/2+89.94o)
Answer» C.


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