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A 100kW,230V,shunt generator has Ra=0.05ohm and Rt=57.5ohmassume that htere is negligible voltage drop across the brushes. ifthe generator operates at rated voltage, calculate the following:a) induced voltage at full loadb) induced voltage at half loadc) the generator has a total mechanical and core loss of1.8kW. calculate1- the generator efficiency at full load2- the horsepower output from the prime mover to drive the generator at this load
They are separated by a distance equal to their radiusR. They each have N turns and carry equalcurrents I in the same direction. Calculate the field strength if the loops are 11 cm india meter, have 14 turns, and carry a 1.8 A current.
The odd cycle sequences1,3,5,7, and repeats. An external input selects which cycle to perform. An input of 0 selects the even cycle and an input of 1selects the odd cycle. The cycles can be entered and exited throughstates 0 and 1.
For example, if you have the two 3-bit words 000 and 110, you know that the first word is correct (even parity), the second word is correct (even parity), the first column is correct (odd parity), the second column is correct (odd parity).
A rectangular waveform has a 50% duty cycle (high for 1/2 acycle and low for 1/2 a cycle). It goes between two voltage levelsof -3 V (low) and +8 V (high), and has a period of100μs. a. Determine the Average voltage of this waveform.
If the efficiency of the motor and drive system is 80% and it is fed through a transistor regulator at 12V, what is the mean current through this regulator when the printer is working continuously?
Each of the protons in a particle beam has a kinetic energy of 3.30 10-15 J. What is the magnitude of the electric field that will stop these protons in a distance of 1.05 m
Is there any advantage of star connection over delta w.r.t. induction motors? Also, is there any advantage or disadvantage of star connection over delta w.r.t. distribution and transmission of power? Please explain the reasons for all the advantag..
Two point charges, Q1 =30 C and Q2 =-100 C,are located at (2,0,5) m and (-1,0,-2) m, respectively. Find the force on Q1 and Q2.
A telecommunication system has a link bandwidth of 10 MHZ, signal propagation of 3.5 x 10^8 m/s, transmitting as 1500 frames per minute, with 15000 bits per frame, over a distance of 100 km. What is the bandwidth-delay product?
how many roots of the following two polynomials are in the right half plane and left half plane P(s)= s^5 + 3s^4 + 5s^3 + 4s^2 + s + 3 P(s)= 3s^7 + 9s^6 + 6s^5 + 4s^4 +7s^3+ 8s^2+2s+6
A buffer amplifier with a gain of 1 V/V has an input resistance of 1M and an output resistance of 10 ohm. It is connected between a 1-V, 100-k ohm source and a 100-ohm load. What load voltage results and what are the corresponding voltage, current,..
A Si p+-n junction has a donor doping of 5*10^16 cm^-3 on the n side and a cross sectional area of 10^-3 cm^2. If τ(p)= 1μs and D(p) = 10cm^2/s, calculate the current with a forward bias of .5V at 300K.
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