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A 110 pF capacitor and a 440 pF capacitor are both charged to 2.2 kV. They are then disconnected from the voltage source and are connected together, positive plate to positive plate and negative plate to negative plate.
(a) Find the resulting potential difference across each capacitor.(b) Find the energy lost when the connections are made.
Three single phase transformers are used to form a three-phase transformer bank rated 13.8kV (delta)/120kV (wye). One side of the transformer bank is connected to a 120kV transmission line
A 3-bit binary counter counts for 0 (000) to 7 (111). The counter moves to the next state with an input of x = 0 and stays in the same state with an input of x = 1. a. Draw the State Table and State Diagram for this 3-bit binary counter.
An AB latch operates as follows: If A = 0 and B = 0, the latch state is Q = 0; if either A = 1 or B = 1 (but not both), the latch output does not change; and when both A = 1 and B = 1, the latch state is Q = 1. Construct the state table and derive ..
The counter will use the falling edge of the clock (denoted by Clk) and have a separte reset pin (R) which will reset the counnter to 0000 when it is low (e.g. R=0). Please use D type flip-flops. write down the state diagram , and state table.
Assume you have a current source connected to a parallel RLC circuit. The current source is i(t)=cos(2t). The Resistor is 2ohms, inductor L=1H, capacitor C=1/2F. compute the average power consumed by this circuit in SSS
Describe why the intrinsic carrier concentration changes with temperature. This would include from very cold temperatures to 600K+ temperatures. Why does an extrinsic semiconductor become intrinsic above ~ 500K
The voltage on bus 1 is 1.0 per unit (pu) at 30 degrees; the voltage on bus 2 is 0.95 per unit at 5 degrees. The reactance connecting bus 1 to bus 2 is 0.5 per unit Ohms, and the resistance is negligible. a)How much real power (pu) is flowing from ..
A six pole,60 Hz synchronous motor is connected to an infinit bus of 15 KV through a transmission line.The synchronous reactance of the motor is 5 ohm ,and the inductive reactive reactance of the transmission line is 2 ohm
The dielectric materials used in real capacitors are not perfect insulators. A resistance called a leakage resistance in parallel with the capacitance can model this imperfection. A 150-F capacitor is initially charged to 100 V.
Calculate The Average voltage generated in 6 turn full pitch coil of a 25 cycle alternator if the flux per pole is 7.2 x 10^5 maxwells. What is the effective voltage if the waveform is sinusoidal.
Design an interface for a 12 V, 500 mA bipolar stepper motor. There are 200 steps per revolution. Write software to spin the motor at 1 rps.
A 3 phase, 208V, 4 pole, 60Hz, Y connected synchronous generator has a synchronous reactance of 8 ohm. Assume the resistance of this generator is negligible. The machine terminal voltage is maintained constant at 208V (line to line).
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