Question

Once you have a single variable isolated in one of the two equations in a system, the second step of using substitution to solve the system of equations is to

Answer 1

an RC circuit has an emf of 10 sin t volts, a resistance of 100 ohms, a capacitance of 0.005 farad, and no initial charge on the capacitor.
Find (a) the charge on the capacitor at any time t and (b) the steady-state current.