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A shunt motor with an armature resistance of 0.15ohms is running 1200rpm for a load which requires an armature current of 50A from 230V source. At no load, the armature current of 5A. If the effect of the armature reaction has reduced the air gap flux 2% from no load to full load, what is the no load speed?
A body attached to earth ground by an electrical conductor is at zero electrical potential. A charge of 25 C is added to the body. What is the potential of the body now. Explain.
Write a MATLAB function the performs the operation of a half-adder, call it half_add. The function should have two inputs, a and b, and return two outputs, X and c. Then, write another function, call it full_add, that invokes half_add to perform
The capacitor in an RC circuit (R=10.0k Ohms and C=25.0uF) is initially uncharged. Determine the charge and current flowing in the circuit at 0.40 time constants (t=0.40 tau) after the circuit is connected to a 9.00 V battery.
An additional variable power factor load is to be added to the factory. The new load will add 320 kW to the factory. The power factor of the variable power factor load is to be adjusted so that the overall power factor of the factory is 0.96 laggi..
What are the four characteristic parameters of transmission line? Which parameter is used to calculate the real loss? Which parameter is used to calculate the charging current? Which parameter is almost negligible and why?
Sven has decided to make and sell his grandmother's pasta. He rents a building for $600/month and pasta equipment for $300/month. The pasta costs $.20 /pound in raw materials to make . Sven can make up to 3000 pounds a month by himself.
Build a home security system circuit using this program. The system must include 2 door sensors, 3 window sensors, 2 smoke detectors, 2 water leak sensors, and 2 motion detectors.
An amplifier with 40 dB of small-signal open-circuit voltagegain, an input resistance of 1M-ohm ,and an output resistance10-ohm drives a load of 100-ohm .What voltage and power gains(expressed in dB) would you expect with the load connected
Two charged particles, Q1 = +5.50 nC and Q2 = -3.40 nC, are separated by 39.0 cm. (a) What is the electrical potential energy of the pair (b) What is the electric potential at a point midway between the charged particles
A 150 MVA, 24 kV, 123% three-phase synchronous generator operates with an induced voltage that is twice the rated line-to-neutral voltage. Calculate the three-phase steady-state short-circuit current at the generator terminals.
A filter with a great deal of attenuation must be placed in an amplifier chain. Ignoring all considerations other than the desire to minimize noise figure, would it be preferable to put the filter before or after a low noise amplifier Why
A permanent magnet dc motor has two poles and a simplex lap winding of 18 loops and 3 turns per loop. The armature radius is 4 cm and the armature length is 15 cm. The flux density under the poles is 0.74 T.
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