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A three phase bridge rectifier has a purely resistive load of R= 100 ohm and is supplied from a 280 V, 60 Hz supply. The primary and the secondary of the input transformer are connected in Y. Determine the average output voltage of the rectifier if the source inductances are negligible.
what is the new resistance level of a copper conductor wire if the lenght is changed from 200 ft to 400 ft, the area is changed from 50,000 CM to 0.10 in ^2 and the original resistance was 7 ohms
A second method of development will recover only 50% of the ore deposit , but it will cost only $15 per ton of material removed.Subsequent processing of the removed ore recovers 300 pounds of metal from each ton of processed ore and cost $40 per ..
A 4 pole 50 kW dc machine has a value of Ea = 110 V at 1100 rpm. What is the induced voltage is the speed is increased 20%. Note: omega(w) = (2f*n)/60 where omega is in rad/sec, and n is in rpm
Assume the ASCII code is used for each character with an additional parity bit (in the most significant bit position, at left) Each character in ASCII is using 8 bits. a) What english word is coded by the following Hexadecimal sequence
How do the short length and medium length transmission line models differ and why Draw the equivalent circuit of a medium-length transmission line
Write the VHDL ARCHITECTURE file for the Y(5) output only for a 8-to-1 demultiplexer. The inputs are D, the selects S0-S2, and the outputs Y(0)-Y(7). The select lines are BIT_VECTOR types, the data is BIT type and the outputs are BIT_VECTOR types.
In and Th are inputs and Out is the result. All parameters are 8-bit unsigned integers. A typical calling shows that the two inputs, In and Th, are passed on the stack and the return parameter Out, is returned in RegB.
a) If the internal resistance of a voltmeter is 100x bigger than the output impedance of a circuit, what is the loading error b) If the internal resistance of an ammeter is 10x smaller than the output impedance of a circuit
The open circuit test on a single-phase 15kVA, 7500/480 V, 60 Hz distribution transformer yielded the following: V = 7500V; I = 0.2006A; P = 180W Calculate the core parameters RC and XM and the magnetizing current IM.
A measurement signal has a frequency less than 1 kHz, but there is unwanted noise at about 1 MHz. Design a low-pass filter that attenuates the noise to 1%. What is the effect on the measurement signal at its maximum of 1 kHz
The above transformer is to be connected as an auto transformer to supply a load at 120 V from 210 V source. What kVA load can be supplied without exceeding the current rating of the windings
An FM transmitter delivers to a 75 ohm antenna a signal voltage of \(V(t)=1000 sin(10^9t+4sin10^4t)\) Determine: (a)Carrier frequency (b) Intelligence frequency (c) Modulation index
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