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A six pole, 400 V d.c. motor draws 110 A from the supply. The shunt field resistance is 200 Ohm and the armature resistance is 0.5 Ohm. The armature is wave wound with 600 conductors operates at a speed of 1200 rev/min when supplying full load.
RATING: 40 kWPOLES: 6VOLTAGE: 400 VCURRENT: 110 ASPEED: 1200 rev/minCONNECTION: SHUNT
Calculate the flux per pole.
draw a digital design consisting of 2 input AND gates and three inverters, where an inverter is connected to each of the AND gates input and its output. For each of the four possible combinations inputs applied to the two primary inputs.
a) If m1 and m2 are minterms of n variables, prove that m1 OR m2 = m1 XOR m2 b) Prove that any switching function can be written as the exclusive-OR sum of the products where each product does not contain a complemented literal.
a 60-kHz sinusoidal signal is applied to an amplifier with a gain of k=2. the circuit is built with an lm741 opamp with power supplies +-13V. find the largest amplitude the signal may have before it is limited by slew rate constraints.
Use the formula for decibels, 20*log(|T|), to find out what the -3db value would be in Volts per volt when the pass band is 1 V/V, 2 V/V, 3 V/V. find the way to find this critical frequency value with out converting to decibels
Find the longest allowable evaluate time if the decay in output voltage is to be limited to .2V. If the precharge interval is much shorter then the maximum allowable evaluate time, find the minimum clocking frequency required.
find the complex exponential fourier series representation for a) x(t)=1 for t =1b) x(t)= t^2-1 for all t
compute the diameter in centimeters of a steel rod, an aluminum rod, and a copper rod, which can withstand a particular compression load.
The resistance per 304.8 m of copper wire uses in the extension cord of AWG 14,12,10,8 and 6 are 2.58,1.62, 1.02, 0.64 and 0.41 respectively. Assume a 2% allowable voltage drop. Show all working .
A farmer owns two barns; one north of a creek and the other south of the creek. The farmer has a Cabbage, a Goat, and a Wolf. The Farmer needs to put each item in a barn every night. If the Cabbage and Goat are in the same barn
ts diode acts as a constant 1.0 V drop. the input voltage is 12.0 V. tje ;pad os a 4 ohm resistor. what is the highest possible output voltage magnitude, and at what value duty ratio does it occur
The output of an exclusive-NOR function is false only if exactly one of the inputs is true. Show the truth table of a two-input exclusive-NOR function, and implement it using AND gates, OR gates and NOT gates.
An AC motor with impedance Z = 4.2 + j3.6 O is supplied by a 220 V, 60 Hz source. Determine the time average power delivered to the load.
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