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A sub-station supplies power at 11 kg 0.8 p.f. lagging to a consumer through a single phase transmission line having total resistance (both go and return) of 0.15 ohm. The voltage drop in the line is 15%.
If the same power is to be supplied to the same consumer by two wire d.c. system by a new line having a total resistance of 0.05 ohm and if the allowable voltage drop is 25%, calculate the d.c. supply voltage.
Consider the battery-charging circuit shown in Figure, in which vs(t) = 20 sin(200 πt),R = 80Ω ,VB = 12V, and the diode is ideal. a. Sketch the current i(t) to scale versus time. b. Determine the average charging current for the battery.
Your VHDL description should be structural and constructed from 3 behavioral VHDL 1-bit ALU blocks, a special behavioral VHDL 1-bit ALU block for the most significant bit and a behavioral VHDL block for the zero detect logic.
1. What is the primary use for a Zener diode 2. Name 4 opto-electronic devices. 3. For an ideal Zener, is the Zener voltage is 15v and the power rating is 750mW, what is the maximum zener current allowed
A walker's cassette tape player uses four AA batteries in series toprovide 6V to the player circuit. The four alkaline battery cellsstore a total of 200 watt-seconds of energy. if the cassette playeris drawing a constant 10mA from the battery pack
An AC load circuit consists of a resistance of 30 Ω in sereiswith an inductance of 0.2 H. It is fed from a 120 V, 60 Hz AC source. determine the conduction interval in half cycle for a firing delay of 100 degree.
The R2= 6 homs load in the circuit is absorbing four times as much average power as the R1 = 20 ohmsohms load. The two loads are matched to the sinusoidal source that has an internal impedance of 500 (angle) 0 1)What is the numerical value of a1
An angle modulated signal is given by EM(t)=5cos[Wct + 20sin100pi(t) + 10sin2000pi(t)] a. Find the power in the modulated signal b. Find the peak frequency deviation in Hz. c. Find the peak phase deviation in radians. d. Find the bandwidth
Using the Nth order term only of the transfer polynomial, find the Nth order relationship for the Nth order products.
A four pole, 60Hz, 10Hp, 460V, three phase induction motor operates at 1750 r/min when fully loaded and its rated frequency and rated voltage. Determine (a) synchronous speed; (b) slip speed; (c) per unit slip
A silver-coated sphere of radius 5 cm carries a total charge of 12 nC uniformly distributedon its surface in free space. (a)Calculate |D| on the surface of the sphere and (b)external to the sphere
Find the impedances of the approximate equivalent circuit referred to the primary side, and referred to the secondary side and sketch that circuit - find the power factor of the Open-circuit test and the power factor of the Short-circuit test.
The integer array and the size of the array are passed into the function through parameters. Do not worry about includes. This is only a function, so there is no main routine. The function should fill the array with valid inputs.
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