2,4 kfl40 mA 2.7kf3 33 ngC0.5 uFThe switch in the circuit of Fig. p7.22 has been inthe position for a long period of time. At t=0, theswitch moves to position B.A) calculate 1 0 (1) for t 0+B) What percentage of the energy initially stored.in the capacitor is dissipated in the 3k ohmresistor during the first 500us after the switch isclosed?

Calculate the voltages Vc(0-) and Vc(∞)

2,4 kfl 40 mAt)2.7k13 33 kng C0.5 uF The switch in the circuit of Fig. p7.22 has been in the position for a long period of time. At t= 0, the switch moves to position B. A) calculate I 0 (t) for t20+ B) What percentage of the energy initially stored in the capacitor is dissipated in the 3k ohm resistor during the first 500us after the switch is closed?

2,4 kfl 40 mAt)2.7k13 33 kng C0.5 uF The switch in the circuit of Fig. p7.22 has been in the position for a long period of time. At t= 0, the switch moves to position B. A) calculate I 0 (t) for t20+ B) What percentage of the energy initially stored in the capacitor is dissipated in the 3k ohm resistor during the first 500us after the switch is closed?

Introductory Circuit Analysis (13th Edition)

13th Edition

ISBN:9780133923605

Author:Robert L. Boylestad

Publisher:Robert L. Boylestad

Chapter1: Introduction

Section: Chapter Questions

Problem 1P: Visit your local library (at school or home) and describe the extent to which it provides literature...

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The switch in the circuit shown in Fig. 7.21 has been in position a for a longtime. At t=0, the switch moves from position a to position b. The switch is amake-before-break type; that is, the connection at position b is establishedbefore the connection at position a is broken, so the inductor current iscontinuous.5. Plot both i(t) and v(t) versus t.
The switch in the circuit has been in position a fora long time. At t=0, the switch moves instantaneously to position band stays there. Find the initial and final values of the capacitorvoltage, the time constant for t≥0, and the expression for thecapacitor voltage for t≥0.
The voltage pulse applied to the 100 mH inductor shown is 0 for t<0 and is given by the expressionv(t)=20te−10t V for t>0. Also assume i=0 for t≤0.. Find the inductor current as a function of time.
The switch in the circuit shown in Fig. 7.6 has been closed for a long timebefore it is opened at t=0. Find 4. the percentage of the total energy stored in the 2 H inductor that isdissipated in the 10 Ω resistor.
When a capacitor holding an initial electrical charge of 60 microcoulombs (µC) is discharged through an electrical circuit, the remaining charge on the capacitor is q(t) = 60e-t/4 , where t is time elapsed in seconds. (a) Find q'(t), the electrical current in the circuit, as a function of t. (b) When is the magnitude of the electrical current in the circuit the greatest, and what is its value at this time?
1) The circuit shown below is initially, for t < 0, with capacitor C connected to a battery (Vbat = 12 V).The key is switched at t = 0, disconnecting the battery and turning on the capacitor to the rest of the circuit.a)Calculate the circuit current in the time domain, i(t).b) In practice, after how long can the energy stored in the circuit be considered to be irrelevant (close to zero)?
The switch in the circuit shown has been closed for a long ttme and is opened at t=0. Find: a) v at time t = 0^(-)b) v at time t = 0^(+)c) the time constant (RC)d) the numerical expression for v(t) after the switch has been openede) the initial energy stored in the capacitor f) the length of ttme required to dissipate 50% of the initially stored energy.
Suppose the input to the circuit is a damped ramp of the form Kte−100t V. Find the largest value of K such that the inductor current does not exceed the 40 mA current rating
The switch in the circuit seen in fig. p7.52 has been in position a for a long time. At t=0, the switch moves instantaneously to the position b. For t >= 0+, find i0(t).
Consider the circuit in Exercise 30.21. (a) Just after the circuit is completed, at what rate is the battery supplying electrical energy to the circuit? (b) When the current has reached its final steady-state value, how much energy is stored in the inductor? What is the rate at which electrical energy is being dissipated in the resistance of the inductor? What is the rate at which the battery is supplying electrical energy to the circuit? Exercise 30.21 circuit: An inductor with an inductance of 2.50 H and a resistance of 8.00 Ω is connected to the terminals of a battery with an emf of 6.00 V and negligible internal resistance.
For the circuit of Fig., let C = 15.0 nF, L = 22 mH, and R = 75.0 Ω. (a) Calculate the oscillation frequency of the circuit once the capacitor has been charged and the switch has been connected to point a. (b) How long will it take for the amplitude of the oscillation to decay to 10.0% of its original value? (c) What value of R would result in a critically damped circuit?
Why is the following situation impossible? The LC circuit as shown has L = 30.0 μH and C = 50.0 μF. The capacitor has an initial charge of 200 μC. The switch is closed, and the circuit undergoes undamped LC oscillations. At periodic instants, the energies stored by the capacitor and the inductor are equal, with each of the two components storing 250 μJ.