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Calculate β for two transistors for which α=0.99 and 0.98. For collector currents of 10 mA, find the base current of each transistor.
Describe the how the Hall Effect it is used to measure whether a semiconductor material is n-type or p-type. Sketch a diagram and show the critical measurements.
If an excess of holes is introduced into the center describe in words (and what a sketch would look like) of the minority carrier distribution after a time roughly about equal to the minority carrier lifetime
An input signal given by Vin(t)=5cos(500pi*t)+5cos(1000pi*t)+5cos(2000pi*t) is applied to a basic lowpass RC filter. R=318.3 ohms and C=1 microFarad. Find the expression for the output signal in terms of t and pi.
The system counts the number of events on a single bit input B and always outputs that number unsigned on a 16-bit output C, which is initially0. An event is a change from 0 to 1 or from 1 to 0. Assume the system count rolls over when the maximum ..
Suppose that a current x(t) = e^-0.5t for t > or equal to 0, and zero otherwise is applied to a discharged capacitor of capacitance C =1F at t = 0 sec. What would be the voltage in the capacitor at t= 1 seconds
A circuit has has 200 ohm, 300ohms, and 500 ohms in parallel and200 ohms, 300 ohms, and 500 ohms resistances in series with the combination. Find the total resistance of the circuit.
As the ball rises, it gradually loses kinetic energy as its potential energy increases. At the top of its flight, when its vertical speed goes to zero, all of the kinetic energy has been converted into potential energy.
The objective of this problem is to design a truth table which will lead to a combinational logic circuit which will aid in the determination of the acceptability of emergency blood transfusions. It is known that human blood can be catecorized int..
A sign on hte door of a room you are abour to enterreads DANGER 10,000 VOLTS. Knowing that your body reistance ispresently 500 kΩ, should you worry about touching any of the equipment i the room
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.
There are three different beams and they asked us to choose which beam would you use to build an object that incurs high stress. Should I choose the beam with the lowest deflection or with the highest deflection
The two wattmeters read 111 KW and 58 kW, respectively. Calculate the approximate power output in HP, losses and the corresponding power factor of the induction motor. There is an ammeter connected in the line "b".
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