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5) GIVEN THE VOLTAGE WAVEFORMDETERMINE THE VARIATIONS IN CURRENT C = 100 nF 20% i(t) 2...
Given the voltage, v(t), across and the current, i(t), through a device, determine the energy, W,...
Given the voltage, v(t), across and the current, i(t), through a device, determine the energy, W, delivered to the device between 1 and 3 msec. N(, v. 11. Act), mA. time, a. 5 m). b.1 m). c. - 1 ml d. 4). e.- 4 u.
3.(20 points) The voltage across a capacitor with capacitance C 100 F is given by 20t,...
3.(20 points) The voltage across a capacitor with capacitance C 100 F is given by 20t, 0si<1 20, 1st<2 -401 +100, 2st<3 1 を(1) 20r-100, 4st<5 0, otherwise This voltage is shown in Figure 3. (a) Find the current ic(t) through the capacitor and plot ic(t) for 0 st35s. (b) Find the instantaneous power pc(t) on the capacitor and plot pc(t) for 0st5s (c) Find the instantaneous energy wc(t) on the capacitor and plot we(t) for 0 Sts5s. (d) Specify...
20. The voltage and current in an electrical load is given by v(t) = 100 cos(wt...
20. The voltage and current in an electrical load is given by v(t) = 100 cos(wt + 15°) and i(t) = 2 cos(wt – 15°). The reactive power Q in the load is 21. An electrical load absorbs an average power of 8kW at a leading power factor of 0.8. The reactive power in the load is 22. A balanced Y-connected load with an impedance of 104–30°N? per phase is supplied by a balanced A-connected source with Va = 208/30°V...
Question 5 The current flowing through a 180-mH inductance is g i(t) = 3 * el-175...
Question 5 The current flowing through a 180-mH inductance is g i(t) = 3 * el-175 * 1) A Determine the energy in mj at time t = 6.2 ms. events changes to this answer. Question 4 The current in a 126-mH inductance is given by the function below. i(t) = 0.4 sin(7000) A Determine the energy in my at time = 9 s. (The angle is in radians) Moving to the next question prevents changes to this answer. uestion...
citor i Voltage and current as a function -10 of time. b. Find and plot the...
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....
05. If, for all time t, v(t)-12 V, R-6.C2F, and i(t)-0A, the voltage y(t) (in volts)...
05. If, for all time t, v(t)-12 V, R-6.C2F, and i(t)-0A, the voltage y(t) (in volts) across the capacitor is 09. If v() 8Vand i. (t) 2 A, the power in watts) being absorbed by the time to 1S 2. -12 3. 2 2. 16 s 0 4. 4 5. -16 5. 144 06. If, for all time t, i.(t) 8A, R-8OL-2H and v(t)-0 V, the current i(t) (in amperes) through the inductor is 10. IfV.-12 V andI.-2 A, the...
120 Problem 1, Use the node-voltage method to find the steady state expression for v () in the circuit shown. The sinusoidal sources are v,-35cos 50 t V'and i 20 sin 50 1 A 20 Ω 0 Problem 2 1...
120 Problem 1, Use the node-voltage method to find the steady state expression for v () in the circuit shown. The sinusoidal sources are v,-35cos 50 t V'and i 20 sin 50 1 A 20 Ω 0 Problem 2 120) Use the mesh-current method to find the steady state expression for velt) in the circuit shown. Answer must be in time domain. Below excitation voltage v is given in time domain v(t) 0.75 V,<t 2 Ω ) 5osin(40140°) Problem 3...
2.5 kΩ 5H 3.0 uF The initial voltage at tO and current i(t)
2.5 kΩ 5H 3.0 uF The initial voltage at t<0, V40)-100 v and current i(0)-0. At t=0 the switch is closed. a. (10 points) Find a differential equation (in time domain) for the voltage across the inductor. (10 points) The following expression is the solution for the differential equation find in part b. Determine all the parameters in the solution α, A, B and ω. b. V()e (A Cos(ot)+ BSin(r)) c. (2 points) Determine the steady state current and the...
1. The current of a 20 mH inductor is given as 40 mA i(t) = la,e-10000t...
1. The current of a 20 mH inductor is given as 40 mA i(t) = la,e-10000t + A2e-40000-A ,t so ,t > 0 Assume that at time t0, the inductor voltage is 28 V. For t>0, find (a) the inductor voltage (b) the time when the inductor power is zero Now assume that at time t-0, the inductor voltage is-68 V. For t>O find (c) the inductor voltage for this new initial condition (d) the time interval during which the...
Given: current i(t), energy w(t), charge q(t), voltage v(t), where t represents time. What are the...
Given: current i(t), energy w(t), charge q(t), voltage v(t), where t represents time. What are the formulas for current and voltage? ALSO Given: current i(t), energy w(t), charge q(t), voltage v(t) and power p(t), where t represents time. What is the formula for power?
Given the voltage, v(t), across and the current, i(t), through a device, determine the energy, W, delivered to the device between 1 and 3 msec. N(, v. 11. Act), mA. time, a. 5 m). b.1 m). c. - 1 ml d. 4). e.- 4 u.
3.(20 points) The voltage across a capacitor with capacitance C 100 F is given by 20t, 0si<1 20, 1st<2 -401 +100, 2st<3 1 を(1) 20r-100, 4st<5 0, otherwise This voltage is shown in Figure 3. (a) Find the current ic(t) through the capacitor and plot ic(t) for 0 st35s. (b) Find the instantaneous power pc(t) on the capacitor and plot pc(t) for 0st5s (c) Find the instantaneous energy wc(t) on the capacitor and plot we(t) for 0 Sts5s. (d) Specify...
20. The voltage and current in an electrical load is given by v(t) = 100 cos(wt + 15°) and i(t) = 2 cos(wt – 15°). The reactive power Q in the load is 21. An electrical load absorbs an average power of 8kW at a leading power factor of 0.8. The reactive power in the load is 22. A balanced Y-connected load with an impedance of 104–30°N? per phase is supplied by a balanced A-connected source with Va = 208/30°V...
Question 5 The current flowing through a 180-mH inductance is g i(t) = 3 * el-175 * 1) A Determine the energy in mj at time t = 6.2 ms. events changes to this answer. Question 4 The current in a 126-mH inductance is given by the function below. i(t) = 0.4 sin(7000) A Determine the energy in my at time = 9 s. (The angle is in radians) Moving to the next question prevents changes to this answer. uestion...
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....
05. If, for all time t, v(t)-12 V, R-6.C2F, and i(t)-0A, the voltage y(t) (in volts) across the capacitor is 09. If v() 8Vand i. (t) 2 A, the power in watts) being absorbed by the time to 1S 2. -12 3. 2 2. 16 s 0 4. 4 5. -16 5. 144 06. If, for all time t, i.(t) 8A, R-8OL-2H and v(t)-0 V, the current i(t) (in amperes) through the inductor is 10. IfV.-12 V andI.-2 A, the...
120 Problem 1, Use the node-voltage method to find the steady state expression for v () in the circuit shown. The sinusoidal sources are v,-35cos 50 t V'and i 20 sin 50 1 A 20 Ω 0 Problem 2 120) Use the mesh-current method to find the steady state expression for velt) in the circuit shown. Answer must be in time domain. Below excitation voltage v is given in time domain v(t) 0.75 V,<t 2 Ω ) 5osin(40140°) Problem 3...
2.5 kΩ 5H 3.0 uF The initial voltage at t<0, V40)-100 v and current i(0)-0. At t=0 the switch is closed. a. (10 points) Find a differential equation (in time domain) for the voltage across the inductor. (10 points) The following expression is the solution for the differential equation find in part b. Determine all the parameters in the solution α, A, B and ω. b. V()e (A Cos(ot)+ BSin(r)) c. (2 points) Determine the steady state current and the...
1. The current of a 20 mH inductor is given as 40 mA i(t) = la,e-10000t + A2e-40000-A ,t so ,t > 0 Assume that at time t0, the inductor voltage is 28 V. For t>0, find (a) the inductor voltage (b) the time when the inductor power is zero Now assume that at time t-0, the inductor voltage is-68 V. For t>O find (c) the inductor voltage for this new initial condition (d) the time interval during which the...
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