A series RC circuit has R = 5 Ω and C = 10 µF. The current in the circuit is 5sin20000t. The applied voltage is
A. $$25\sqrt 2 \sin \left( {20000t + {{45}^ \circ }} \right)$$
B. $$25\sqrt 2 \sin \left( {20000t - {{45}^ \circ }} \right)$$
C. $$25\sqrt 2 \sin 20000t$$
D. $$25\sqrt 2 \sin \left( {20000t - {{90}^ \circ }} \right)$$
Answer: Option B
This Question Belongs to Electronics And Communications Engineering >> Network Theory And Analysis
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