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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.
What is the expected peak demand for a transformer feeding the following loads? Connected kVA
Q. Explain Common emitter configuration? Common emitter configuration: In this circuit the emitter is common to both input and the output.Such a configuration is also known as
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Diode current: Zener region: when the reverse biased voltage is increase to a very high value then a point is reached where will is suddenly going a very high value. Th
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Explain different stage in energy audit?
A three-phase, six-pole, wye-connected synchronous generator is rated at 550 V and has a synchronous reactance Xs = 2 . When the generator supplies 50 kVA at rated voltage and a p
Responses to Exponential Excitations Let us consider Aest as a typical exponential excitation in which A is a constant and s is a complex- frequency variablewith a dimension of
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