Current vs Time 125 100 Current in ma 75 25 10 Time in ms Q.1.1 t...
Q 3. In an LRC series circuit, the impressed voltage Elt) and the charge q(t) on the capacitor are related to cach other hy the linear socond-order ordinary differential equation, dey + R 1 g= E(t) . T dt df where L is the inductaice. R is the resistauce and C is the capacitance. Suppose we Icasure the charge on rhe capacitor for several valnes of t and obtain 1.4 1.0 1.1 1.2 1.3 32 22 24 28 21 where...
4. (20 points) A current waveform shown in the Fig. 4. | (mA) t(s) -3 -2 -1 1 2 3 4 5 6 Figure 4: Current waveform flowing through an inductor. (a) (15 points) Determine the capacitor voltage at t=1s, 3s, and 5s, which results from the capacitor with capacitance C = 311F. Capacitor voltage was 3V at -1s. (b) (5 points) Sketch the capacitor voltage.
Given the voltage across a 10 uF capacitor is Vc 200-t find the capacitor current (c). ic mA QUESTION 3 Given the voltage across a 10 mH inductor is VL = 5V. Assuming the inductor current is zero at time zero, find the current at 4 ms.
For t ≥ 0, a current source delivers iS(t) = 10 sin(2000πt) mA to two 0.33‐μF capacitors connected in parallel. Plot υC(t) versus time when υC(0) = −5 V. use the ac current source—the frequency is in Hz—and set the other parameters appropriately. The capacitors are –5 V. Then, simulate the output using the transient analysis. What is the voltage across the capacitors at t = 1.0 and 1.5 ms?
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
citor i Voltage and current as a function -10 of time. b. Find and plot the instantaneous power pl) on the capacitor. c. Find and plot the instantaneous energy wit stored on the capacitor. ce of V. d plot The voltage across a capacitor with capacitance of 50 aF is given by 6.8 nce of i) V. and f time. -20, 0sI<S 40-300, 5SI<10 6.10 (1) -10r+200, 10 sI<20 0, otherwise ance 000) This waveform is shown in Figure P6.8....
6.14 The waveform for the current flowing through the 10-uF capacitor in Fig. P6.14a is shown in Fig. P6.14b. If ve (t-0)- 1 V, determine vc(t) at t-1 ms, 3 ms, 4 ms, and 5 ms i(t) i(t) (mA) 15 t (ms) 4 (i 10
PART B: 04 Sketch graph for sin waveform and cosine waveform for AC voltage and AC current. (4 marks) (b) Obtain the energy stored in each capacitor in Figure Q4(b) under DC conditions. (6 marks) (c) Determine the current through a 200 uF capacitor whose voltage is shown in Figure Q4(c). Sketch graph for current, I versus time, t. (10 marks) 2 mF Η Λ 2 ΚΩ 5 ΚΩ ΛΜ 6 mA 3 ΚΩ ΑΛΛ 4 ΚΩ 4 mE Figure...
The graph below shows the voltage across a 27 μF capacitor vs. time. Find the current (ix), the power delivered (px) and the energy stored (wx) at time tx = 15 s. The graph below shows the voltage across a 27 μF capacitor vs. time. Find the current (W, the power delivered (px) and the energy stored (wa) at time 4-15 s. 30 14 t 19 t(s) | p,- wx = -50 PMcL Version 2.0.0
6.13 The waveform for the current in a 70-μF capacitor is shown in the figure below. Determine the waveform for the capacitor voltage. The waveform for the current in a 70-uF capacitor is shown in the figure below. Determine the waveform for the capacitor voltage i(t) (mA) 14 0 10 20 30 40 t (ms) t <0ms t < 40 ms t z 40ms v (t) -2500? V -4 V 0 t <0ms 2500t V 0 t < 40 ms...