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A meter has a resistance of 100Ω and gives a full scale deflection when it carries a currentof 25 μA. (a) What resistor, Rx, would you connect in parallelwith this meter in order to construct an ammeter which gives afull-scale deflection for a current of 50 mA? (b) What is the equivalent resistance for this ammeter?
The average noise power per unit bandwidth measured at the front end of an AM receiver is 10^(-3) watt per Hertz. The modulating wave is sinusoidal, with a carrier power of 80 kilowatts, and a sideband power of 10 kilowatts per sideband.
a) What is the total resistance corresponding to 1kohm, 4kohm, 10kohm, 4.7kohm resistors connected in series b) What is the total resistance corresponding to 10ohm, 100ohm, 1kohm, 10kohm resistors connected in parallel
Write a Matlab script file that uses the function from Part 1 to apply "water filling" for distributing total power P = 10 over N = 5 parallel channels with noise levels x = [2, 3, 1, 6, 4] and that plots the noise and power distribution over the ..
F(a,b,c,d,e) = Σ m(0, 1, 2, 6, 7, 8, 16, 17, 19, 20, 25, 26, 29, 31) + Σ d(3, 5, 18, 27) (a) Find the essential prime implicants of F and indicate the minterm which makes each one essential.
A 300 W resistor is connected across the 300 Wantenna input of a television receiver. The bandwidth of the receiver is 6 MHz, and the resistor is at room temperature (20oC). Find the noise power and noise voltage applied to the receiver input.
A student from electromechanical systems class planned to construct a transformer that will cause an actual load resistance of 48.2-ohm to appear as 116.3-ohm to an AC voltage source of 211.3 V rms.
For most low reluctance materials currently available and used in practical magnetic devices such as transformers, the slope of the BH curve may be always be considered constant over the possible range of operation of the device.
Write a program that reads a file containing only integer, but some of the integers have embedded commas, as in 145,020. The program should copy the information to a new file, removing any commas from the information.
A circuit contains two flip-flops connected to a voltage source of+10 Volts, each flip-flop draws a current of 10 mA during itsoperation, if we neglect the power dissipation of the remaining circuit, then what will be the overall power dissipation..
A 5-bit shift register receives an input of r = 1 0 0 1 00 1. After all data is input, what is in the shift register output
A certain transducer is modeled with a source Vs and series resistance Rs. The voltage at its terminals is measured with a DVM having internal resistance Ri = 100 Mega ohms and is found to be 12.5 mV; adding a 5 Mega Ohms resistance in parallel
Suppose you want to build a simple RS flip-flop that is set and reset by negativegoing pulses. All you have are two 2-input AND's and two 2-input NOR's. Show how you would build this odd circuit from the available material.
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