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A 100hp, 60Hz, three-phase induction motor has a slip of 0.03 at full load. Compute the efficiency of the motor at full load when the friction and windage losses are 900W, the stator core loss is 4200W, and the stator copper loss is 2700W.
A 20-V-rms 60-Hz ac source is in series with an ideal diodeand a 100 Ω resistance. Determine the peak current and peak inverse voltage for the diode.
When calculating the bending stress of a rectangular plate, one must use the section modulus about the neutral axis of the plate. This axis is at the center of the plate where there is neither tension nor compression.
A BJT is operating at a collector current of 1mA ,when Vce=1v and it has early voltage of 75v.If Vce is increased to 11v,find collector current
What current must be maintained in a square loop ( 50 cm on a side ) to create a torque of 1.0 N . m about an axis through its center and parallel to one of its sides when a magnetic field of magnitude 70 mT is directed at 40o to the plane of the ..
HALF-ADDER: S = XY' + X'Y , C = XY (These are the outputs) 1. From the equation given for half-adder, develop an equation for which the half-adder can be constructed just with NAND gates. Draw the circuit as per the equation obtained.
Two capacitors labeled A and B are connected in series. They have the same charge but A has twice the voltage across it than B has. Which capacitor has the greatest capacitance
Determine the time of operation of a 5 amp. , 3 sec. over current relay having a current setting of 150 percent and a time setting multiplier of 0.8 connected to supply circuit through a 500 /5 current transformer when the circuit carries a fau..
Assume that a given transformer is 100% efficient; that is, the power being supplied by the primary side is transported without loss to the secondary side. (Transformers are not 100% efficient. One can detect this by the heat that they radiate.)
The projected cost of the Alaskan oil pipeline was $900 million in 1969 dollars. The final cost estimate was nearly $8.5 billion in 1977. What was the average yearly escalation rate for the pipeline?
How far down the hill does the shell strike
Show that your result reduces tothe expression given by E = D / ε0 = rDr / ε0 = r ρl /2πε0r as the length L is extended toinfinity. (r is properly defined as the radial distance vector fromthe line charge to the observation point i.e. r is perpend..
property of materials find the density for germanium ge semiconductor atoms give that its lattice constant a-5.66aring
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