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A generator produces an armature current of 50 A when generating an emf of 400 V. If the terminal p.d. is 390 V, calculate
(a) the value of the armature resistance, and
(b) the power loss in the armature circuit.
Find the values of β and M required to satisfy this specification
A general relationship for the current density carried by electrons of density n is J = qnv, where q is the electronic charge and v is the electron velocity due to drift and/or diffusion. (a) Find the velocity of electrons, v(x), that are moving on..
What are the test inputs we use to evaluate steady-state error (SSE). How many integrations in the forward path are needed (type of the system) to get zero SSE for each of these test inputs.
The performance of a journal bearing around a rotating shaft is a function of the given variables:- Suggest appropriate parameters to be used in correlating experimental data for such a system.
Determine the thermal equilibrium concentrations of electrons no and holes po in uniformly doped silicon for the following conditions: a) T=300 degrees K, Nd=2x10^15 cm^-3, Na=0 b) T=300 degrees K, Nd=2x10^15 cm^-3, Na=8x10^15 cm^-3
The total current in a semiconductor is constant and is composed of electron drift current and hole diffusion current. The electron concentration is constant and is equal to 10^17 cm^-3. The hole concentration is given by p(x)
Need the coding for the circuits and its a intelligent fan controller based on temperature?
A pith ball of 10 gm carries a charge of 10 micro C. what must be a charge on a ball placed 10 cm directly above which will hold the pith ball in equilibrium
plug the following items into a single circuit breaker in your house (120 V): 0.3 hp fish tank pump, a 9000 watt space heater, a 1800 watt hair dryer, a TV using 409 watts. Calculate the minimum rating of the circuit breaker necessary to safely ca..
Charge density required to produce a given field. A charge density is distributed throughout the free space. Assume the charge density is uniform in the y and z directions. The electric field intensity everywhere is E =il0-141:rl. Calculate the..
The average power used by the resistor is what you pay to the electric company, but there is also reactive power for which you do not. The complex power supplied to the circuit is defined as: P = ½ V s I*
Simulate the second-order RLC circuit using simpower Matlab simulink.This circuit has DC source voltage Vs=220V, Inductance L=2mH and Resistance R=160 ohms.Determine the capacitance values for each case
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