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A DC shunt motor rotating at 1560 RPM is supplied from a 240-V source. The line current supplied to the motor is equal to 27 A. The shunt field resistance of the motor is equal to 120 Ω and the armature resistance is equal to 0.6 Ω. Calculate the following:(a) The armature current of the machine.(b) The back-emf.(c) The output mechanical power and the net torque developed by the motor if its mechanical losses are equal to 280 W.
Find the core radius necessary for a single mode operation at 1320nm of a step index fibre with n 1 =1.48 and n 2 =1.478. What are the N.A and maximum acceptance angle for this fib
Hi, I just finish writing my project literature review and my supervisory asked me to add one part. This part is about Phase Shift. How phase shifters work? In Particular How the
15 cells with emf for every cell are 1.5V and internal resistance 0.3Ω is linked in parallel. Calculate the value of current flow if the external resistance, 5Ω is linked to them.
I''m trying to design ADC using MAX1198 and DAC using IDAC in Multisim 12 but none of them are working. I need some help in this regard
speed control of single phase ac motors
Q. Determine the voltage transfer function of the low pass filter circuit shown in Figure, and find the expression for ω 0 .
Q. Explain Crystal Oscillator The frequency of a crystal-controlled oscillator is held constant to a high degree of accuracy by the use of a quartz crystal. The frequency depen
The Electrical Circuit sign convention Notice that current leaves a source at its high potential (positive) terminal but enters a load at its high potential (positive) ter
Q. A bandpass filter circuit is shown in Figure. Develop a PSpice program and use PROBE to obtain a Bode magnitude plot for the transfer function ¯H(f) = ¯Vout/ ¯Vin for frequency
What are the causes of sparking in the commutator? Explain the methods to reduce the sparking in the commutator?
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