(1 point)
If Vs(t)=91e^(−42t)mV and is(0)= -5 mA, find is(t) for t>0
is(t) = mA
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(1 point) If Vs(t)=91e^(−42t)mV and is(0)= -5 mA, find is(t) for t>0 is(t) = mA 8 mF...
(1 point) If V (t) = 93e-660 mV and i (0) = 85 mA, find is (t) for t>0 <8 mF VS 8 20 mH + 24 mF iz(t) = -107.283e^(-36t)+19 mA
15. A constant current of 2 mA is applied to an initially uncharged 5 mF capacitor for 10 seconds. What is the voltage across the capacitor at the end of this 10-second period? A. 0.25 V B. 0.4 V C. 100 V D. 10 V E. 4V 16. What is the voltage vo(t) across the 0.5 H inductor? 04s(101) mA0.H A. v.(t) 10cos(10-t) mV B. v() 40cos (10-1) mV C. (t)-20cos(10-1) mV D. (C)-02cos(101) mV E ()--08cos(10-4) mV
= For the circuit of Fig. 8.27, let io(t < 0) = -1 mA, 1,(t > 0) = 2 mA, R 2.000 Q, R = 3,000 12, and L = 20 mH. a. Find va for t > 0. b. What is the approximate duration of the transient? 6. Sketch va(t). FIGURE 8.27
40 240 mH 1.0) 2.5 mF Part A Find the steady-state expression for io(t) in the circuit in (Figure 1) if U, = 150 sin 50t mV. Suppose that i(t) = Io cos(wt + º), where -180º < < 180°. Determine the values Io, w, . Express your answers using three significant figures separated by commas. Express Io in milliamperes, w in radians per second, o in degrees. V AJ vec O O ? 10, w, o = mA, rad/s,...
vs= 100cost(100t)
Q1. Find the S, P, and consumed in the circuit Vs(t) = 100 cos (1000). 10 100 iz(t) 50 mH . 2 vst) 15 SEP1 mF 1m
(1 point)
For a standard capacitor with c=116μF:
If vc(t)=4.2+14.8cos2(190t) V, Find:
(a) ic(t)
(b) The maximum stored energy in the capacitor
If ic(t)=14.8e−190t mA for t>0 and vc(0)=0, Find:
(c) vc(t) for t>0
If ic(t)=14.8e−190t mA for t>0 and vc(0)=4.2 mV, Find:
(d) vc(t) for t>0
If the stored energy is w(t)=26e−315tμJ for t>0t>0,
Find:
(e) ic(t)
(a) ic(t) = mA
(b) wmax = μJ
(c) vc(t) = mV
(d) vc(t) = mV
(e) ic(t) = mA
or ic(t) = mA
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3) BJT Gain Stage 1 mA BJT Parameters β 100 nVr-30 mV 5V Vo 6meg c,,-8 pF Vi 500 27u Vs VB is an ideal dc voltage source a) What type of gain stage is realized by this BJT amplifier? b) Find a value for the input resistance Ri seen at node Vi. c) Find a value for the mid-band voltage gain Av-Vo/Vs. d) Determine the upper corner frequency fp2 imposed by the parasitic caps of the BJT
3) BJT...
Find vo(t) for t > 0 Q#3 and
Q#4
3. Find vo(t) for t0 4 H 2Ω 4Ω 4 A Answer: vo(t)4e2t [At 0 4. Find i(t) for t> 0 5 mA 1 mH Answer: it) -5e7.5*10°1 [mA] t20
For the circuit below Given that Vs(t) is a step input and at t<0 it is at OV. Now at t=0, Vs(t) =IV. RíkQ, L=1 mH. Given that the inductor has no current prior to t-0 (and the current of the inductor cannot change instantaneously), find and sketch the solution of ir(t). What is VR(t)? Vs Figure GC3
Problem 1: Find i(t) and v(t) for all time. 50 t=0 t=0 W 200 mF 1022 3A 20 V +1 А i(t) = 0A, v(t) = 20V B i(t) = 0A, v(t) = 30 – 10e-t/2v с i(t) = 3A, v(t) = 30e-t/2V D i(t) = 0A, v(t) = 10e-t/2v