In the circuit shown below, the switch is closed at t = 0, applied voltage is v (t) = 100cos (103t+π/2), resistance R = 20Ω and inductance L = 0.1H. The complementary function of the solution of ‘i’ is?

• A. ic = ce-100t
• B. ic = ce100t
• C. ic = ce-200t
• D. ic = ce200t