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1. List the type of losses in electric machine. What is the nature of each loss?
2. What is the relative speed between stator and rotor rotating fields in an induction motor?
3. Sketch the torque-slip characteristic of an induction motor. Explain the nature of the low slip part of the characteristic. Locate on the characteristic the full-load torque operating point.
4. Explain how an induction motor can self-start but cannot run at synchronous speed.
5. Explain why rotor induced emf is proportional to slip.
Determine the required weights of each solid ingredient and the number of gallons of water required for a 6.5-cy batch.
The voltage gain of a precission amplifier is determine by the ratio of 2 resistors.the gain must be accurate to within +/- 2.5% of the design value over a temperature range 0-40 degrees and a period of 5 years.
At t = -250/6 μs, a sinusoidal voltage is known to bezero and going positive. The voltage is next zero at t = 1250/6μs. It is also known that the voltage is 75 volts at t =0. a) What is the frequency of v in herts
Derive and graph the electric field based on V-bi( built in Potential). Derive the depletion width (w) from built in potential and equilibrium charge equation. graph Depletion width and E-feild in forward bias.
What fraction of the total rate of U.S. electricity production in 1980 does 2.67 x 10^8 W correspond to? Here are some facts that go along with the problem
The wire shown in Figure is moving in the presence of a magnetic field. With the information given in the figure, determine the magnitude and direction of the induced voltage in the wire.
Assuming that the maximum depth of Kraken Mare is less than 400 meters, how much pressure in atmospheres must the submersible be designed to withstand Assumer the surface pressure on Titan is 17 kilopascals, the surface temperature is 94 kelvin
The investigators from Exercise 3.19 suspected that in addition to temperature, the yield might also depend on the speed of the mixer. Along with temperatures 100°F, 150°F, and 200°F, they decided to compare two different speeds of the mixer, 1,20..
In Astable multivibrator (using OP-AMP) and Butterworth 2nd order filter(using OP-AMP)(both high pass & low pass filter), both positive and negative feedback are given. But in Astable mutivibrator positive feedback dominates
From what I've researched about the 741 operational amplifier, the output load resistance should be greater than 2 kohms so the output voltage can swing within 2 volts of the supply voltage. Is there a limit as to how high the output resistance sh..
What is the maximum number of clock pulses needed to return a 4-bit Johnson counter to its original state?- Which of the following does a UART contain?
Explain how businesses can benefit from autonomic computing, virtualization, green computing, and multicore processors.
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