After the switch in the circuit of Fig. P 7.35 has been open for a long time, it is closed at t=0. Calculate (a) the initial value of i; (b) the final value of i; (c) the time constant for t≥0; and (d) the numerical expression for i(t) when t≥0.
After the switch in the circuit of Fig. P 7.35 has been open for a long time
The switch in the circuit has been closed for a long time and is opened at t = 0. a. Calculate the initial value of I b. Calculate the initial energy stored in the inductor. c. What is the time constant of the circuit for t ≥ 0? d. What is the numerical expression for i() for t20? e. What percentage of the initial energy stored has been dissipated in the 4 Ω resistor 5ms after the switch has been opened?
The switch in the circuit shown has been closed for a long time and is opened at t = 0. Find a) The initial value of v(t), b) The time constant for t>0. c) The numerical expression for v(t) after the switch has been opened, d) The initial energy stored in the capacitor, and e) The length of time required to dissipate 75% of the initially stored energy.
The switch in the circuit shown in Fig. Shown has been in position a for a long time. At t-o the switch is moved to position b. a) What is the initial value of vc? b) What is the final value of vc? c) What is the time constant of the circuit when the switch is in position a? d) What is the expression for vc(t) when t > 0? 80 V 315 kn 100 V 2F What is the...
The switch A in the circuit has been open for a long time. Calculate the voltage u_2(t) after the switch is closed at t=0. The capacitor C_1 has a initial voltage of u_1=100 V at t<0. Capacitor C_2 lacks initial energy. Rz = 200 kN2 R2 = 120 k12 + + C
The switch in the circuit of Fig. P 7.55 has been in position a for a long time. At t- 0 the switch is moved to position b. Calculate (a) the initial voltage on the capacitor; (b) the final voltage on the capacitor; (c) the time constant (in microseconds) for t > 0; and (d) the length of time (in microseconds) required for the capacitor voltage to reach zero after the switch is moved to position b.
The switch has been open for a long time before being closed at t = 0. Find the initial value i (0) and the time constant of the RL circuit for t>O. 212 240 Xt=0 381 0.4 H 4. The switch has been closed for a long time and is opened at t = 0. Find (a) i (0) and i (0*); 102 50 2 (b) i(t) fort >0; (c) (t) at t = 5 ms. 100 V + 3...
AP 7.8 The switch in the circuit have been open for a long time. The initial charge on the capacitor is 0. At t=0, switch is closed. Find the expression for i(t), v(t) for t> 0+. 0.1 µF X1%3D0% i(1) 7.5 mA( v(t) 20 k2 30 kn
Consider the circuit depicted in Fig. 2. The switch SW1 has been closed for a long time before it is opened at time t = 0. The switch SW2 has been open for a long time before it is closed att = 0.1 (sec). i) Find the initial current I(0) flowing in the inductor and the initial voltage V(0) across the capacitor. ii) Find the voltage V(t) across the capacitor and the current I(t) through the inductor for 0 ≤ t ≤...
7. Given the circuit below. The switch has been opened for a very long time. At t = 0, we close the switch. M 2007 M 100 av ile & 5mH a. What will be the initial current of the inductor at I.(t = 0)? (before switch is closed)? Why? b. What will be the final current of the inductor 1, (t +00)? (after switch has been closed for a long time) Why? C. Find the first order linear differential...
1. In the circuit to the right, the switch has been open for a long time before it is closed at time t-0 a) Find an expression for the current in the inductor as a function of time, showing the direction clearly. b) Find an expression for the current supplied by the battery as a function of time. 2R