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For a symmetric Si p-n with , the peak electric field at the junction for breakdown is . What is the reverse breakdown voltage for this junction
We have an inductance L with an initial current of zero and the voltage across the inductance is given by v(t) = Vm cos( ωt). Suppose that ω is very large ideally, approaching infinity. For this voltage, does the inductance approximate either an ..
An induction motor takes 350kW at 0.8 power factor lagging while driving a load. When an overexcited synchronous motor taking 150kW is connected in parallel with the induction motor, the overall power factor is improved to 0.95 lagging.
A 3-phase, 2300 V, 60 Hz, 12-pole, Y-connected synchronous motor has 4.5 ? per phase synchronous reactance and negligible stator winding resistance. The motor is connected to an infinite bus and draws 250 A at 0.8 power factor lagging.
The equivalent series impedance of the transformer is (1.0 +j2.5) ohms referred to the high side. The transformer is delivering rated load at 0.8 power factor leading and at rated secondary voltage. Neglecting the transformer exciting current.
A charged paint is spread in a very thin uniform layer over the surface of a plastic sphere of diameter 13.5 cm, giving it a charge of -13.9 µC. (a) Find the magnitude of the electric field just inside the paint layer
Given a two-dimensional array named number of three rows and four columns of type int, write the single code statement that will both declare and initialize the array such that the first row is initialized to 0, 1, 2, 3
(a) Determine the mean, variance, and standard deviation of X. (b) Determine the value for x such that P(-x
The electric motor in a street car develops a power output of80 hp at 1200 rpm as the vehicle moves up a hill at a speed of 30mph. Assume the gearing losses are negligible, calculate: (a) The torque developed by the motor.
gear box has ratio 8:1 to the .9-m diameter wheels. ARMATURE HAS SOURCE WHERE THE VOLTAGE CAN BE VARIED FROM 0 TO600--IGNORE ALL LOSSES. A) DETERMINED REQUIRED VALUE OF kφ to give a speedof 12.5 m/s at an armature V of 600Volts.
An electron is shot into one end of the solenoid. As it enters the uniform magnetic field within the solenoid, its speed is 800 m/s and its velocity vector makes an angle of 30 degrees with the central axes of the solenoid.
what is the impedance of a resistor r in parallel with a series combination of a capacitor c and an inductor l?
Write a VHDL model of a negative edge-triggered T-type flip-flop. Write a VHDL model of a 10-state synchronous counter that asserts an output when the count reaches 10.
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