The voltage v(t) across a device and the current i( t) through it are v(t) = 10cos(2t) v(t) = 20 (1−e⁻⁰’⁵ᵗ) mA
Calculate:
(a) the total charge in the device at f = 1s, q (0)= 0.
(b) the power consumed by the device at t=1 s.