Suppose a circuit contains an electromotive force (a battery) that produces a voltage of E(t) volts (V), a capacitor with a capacitance of C farads (F), and a resistor with a resistance of Rohms (). is the charge (in coulombs), so in this case Q The voltage drop across the capacitor is where C' Kirchhoff's Law gives Q RI+ 2 = E(t). dQ dt we have the differential equation " Since I = dQ 1 R + Q = E(t). dt Suppose the resistance R is 200, the capacitance C is 0.1F, a battery gives a constant voltage E of 30V, and the initial charge is (0) = 0 coulombs. Find the charge Q(t) and the current I(t) at time t. Q(t) = I(t) =
Suppose a circuit contains an electromotive force (a battery) that produces a voltage of E(t) volts (V), a capacitor with a capacitance of C farads (F), and a resistor with a resistance of Rohms (). is the charge (in coulombs), so in this case Q The voltage drop across the capacitor is where C' Kirchhoff's Law gives Q RI+ 2 = E(t). dQ dt we have the differential equation " Since I = dQ 1 R + Q = E(t). dt Suppose the resistance R is 200, the capacitance C is 0.1F, a battery gives a constant voltage E of 30V, and the initial charge is (0) = 0 coulombs. Find the charge Q(t) and the current I(t) at time t. Q(t) = I(t) =
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