shown in Figure 1(a) is a separately excited generator. It is known that Rf-250, Ra- 10 Ω, v,-100 V, and ahn-100 rad/s. The magnetization curve of the machine is shown in Figure 1(b). when (1) Assume that the generator is driven to Wm-150 rad/s by a prime mover. Find the generator has no load (i.e., the voltage generated by the generator in the case of open circuit) (2) Find Va when the generator is driven to am-150 rad/s and is...
1.1 Preliminary design: Signal generator a. Modify your signal source as shown in the circuit below. The normal 50 output impedance of the signal generator is insignificant compared to the 30 k resistor and can be ignored. 30 k 2k Vag 1000 b. Your modified signal source can be represented by the Thevenin equivalent circuit shown here. Determine the value of Rr that R Th ww applies to the previous circuit. Your answer need be good to only 10%; after...
(d) y4 (r) 35in(0.3πι +0.4). 3.9 Determine the average power of the analog signal x (t-Ai sin(Ωǐt) + A2 sin(Q2). Ω", Ω2.
(d) y4 (r) 35in(0.3πι +0.4). 3.9 Determine the average power of the analog signal x (t-Ai sin(Ωǐt) + A2 sin(Q2). Ω", Ω2.
Find the current in the 12-Ω resistor in the figure below. (Assume R1-R,-3.2 Ω, R,-R.-7.6 Ω,av-19 v.) R2 Ri Rs 2012
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A 480 V, 375 kVA, Y-connected synchronous generator has a synchronous reactance of 0.4 Ω and a negligible armature resistance. This generator is supplying power to a 480 V, 80 kW, Y-connected synchronous motor with a synchronous reactance of 1.1 Ω and a negligible armature resistance. The synchronous generator is adjusted to have a terminal voltage of 480 V when the motor is drawing the rated power at unity...
For the circuit shown in the figure (ε-3.50 V, R-5.00 Ω), calculate the following quantities. 12,0 V 4,00 Ω 2.00 Ω (a) Calculate the current in the 2.00 Ω resistor. (Enter the magnitude.) mA (b) Calculate the potential difference between points a and b. The ammeter shown in the figure below reads 2.94 A. Find the following. 15.0 V 7.00 Ω 5.00 Ω 2.00 Ω ε (a) 1A Consider the following figure, where ε,-12 V and ε2-9.2 v. 10.011 6.00...
A 75.0 Ω resistor is connected as in the figure to an ac
generator with εm = 30.0 V. What is the amplitude of the resulting
alternating current if the frequency of the emf is (a)0.917 kHz and
(b)6.58 kHz?
I'R VR
If a l V rms signal source with an internal resistance of 50 Ω is connected to the amplifier in Figure what is the actual rms signal applied to the amplifier input? Assume Bac 200 +15 V RI 1.0 kΩ 01 Di C3 02 75 Ω 1.0 kΩ Class C Power Amplifiers A certain class C amplifier transistor is on for 10 percent of the input cycle. If Veetsa) 0.18 V and Ie(sa)25 mA, what is the average power dissipation...
9. Six resistors R1 4.00 Ω, R,-4.00 Ω, R,-14.0 Ω R.-10.0 Ω, Rs=10.0 Ω, and R6-8.00 Ω are mounted as shown in the figure. The voltage of the battery is V 12 Volts. What is the current in the R3 resistor? 0.559 Amps R6 R4 R5 R3 R, R2
What are the expected readings of the following in the figure below? (R-8.40 Ω, AV-670 V) 10.0 Ω R 4.50 V (a) ideal ammeter mA (b) ideal voltmeter