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1. What is the criterion for a material to be a good conductor?
2. Give two examples of materials that behave as good conductors for frequencies of up to several gigahertz.
3. What is skin effect? Discuss skin depth, giving some numerical values.
A)What is the standard frequency of the AC voltage generated and distributed by an electrical utility B)Explain the function of the prime mover in the generating process.
A certain transistor is to be operated at a collector current of 50mA. How high can VCE go without exceeding a PD(MAX) of 1.2W?
Your circuit should output a signal X that can be used to turn a buzzeron or off, where high implies on. The buzzer should be on if theignition is on and if the door is open or the seat belt is notfastened. Draw your logic circuit and construct a ..
Design a simple unipolar drive circuit such that the electrical time constant is 2 msec at phase turn-on and 1 msec at turnoff. The stepping rate is 300 steps per second. A three-phase variable-reluctance stepper motor has parameters.
Calculate the magnitude and phase angle of the current through the coil, and the magnitude and phase angle of the voltage across the coil. Also, calculate S, P and Q for the circuit
List three standard socket calls that you would expect every connection-oriented server to invoke that would not normally be invoked by any client. Briefy indicate why a typical client would not need to invoke these calls.
Suppose you are to construct a logic circuit with inputs {A,B,C} and output {F} The logic is such that "F" is asserted only when "A" or "B" are asserted and "C" is not. First draw and complete the truth table
discuss the differences between FET and BJT transistors. What are the advantages and disadvantages of each kind of transistor What are types of transistors do you know about
(a) Write down a differential equation modeling the current I(t) (b) Assume that V=0 and I(0)=Io. Find the solution to the differential equation in part a. (c) Assume that V>0 is a constant and I(0)=0. This corresponds to adding a switch to the circu..
What distinguishes an external interrupt from an RTI interrupt Describe what transpires when an interrupt occurs What is an interrupt service routine What benefit does the ISR have over standard polling code
A transmitter transmits an AM sinal with a carrier frequncy of 1530kHz. When an inexpensive radio receiver (which has a poor selectivity in its RF-stage bandpass filter) is tuned to 1530kHz, the signal is heard loud and clear.
What fraction of these measurements is more than five units away from zero?
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