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The current is the flow of electrons through conductor ,and voltage is the force that exerted on electrons to flow through the conductor,then why in many electric circuit the voltage is very high while current is less or vice-versa.
A plane wave in air with an electric field amplitude of 20 V/m is incident normally upon the surface of a lossless, nonmagnetic medium with Xr er = 25. Determine the following: a.) reflection and transmission coefficient
Supposed that the signal y(t) is low -pass filtered. The magnitud od the low pass filter is unity and the cut off frequency is Rz= 5000*pi rad/sec. Determine the value of the sampling period Ts according to the given information.
A pool of 200 frames exists for paging of processes A, B, C, D, and E. The processes' page sizes are 100, 200, 50, 150, and 500, respectively. Assuming proportional frame allocation is being deployed, how many frames are allocated to process D
A heat engine operating in outer space may be assumed equivalent to a Carnot engine operating between reservoirs at temperatures TH and Tc The only way heat can be discarded from the engine is by radiation
The NF (dB) is defined as 10log(SNRin/SNRout) - in the unit of dB. If we are given the values of SNRin and SNRout in dB unit, how do we calculate NF (dB) in terms of dB, and how do we calculate NF in term of a pure ratio
To transmit this signal by binary PCM without compression, uniform quantization is adopted. If the SQNR is required to be atleast 43dB, determine the minimum number of bits required to encode the uniform quantizer. Determine the SNR obtained with ..
A toroid is fille with liquid oxygen that has a magnetic susceptibility of 4*10^-3. The toroid has 2000 turns and carries a current of 15 A. Its mean radius is 20 cm, and the radius of its cross section is 8 mm. (a) What is the magnetization
Design a circuit with output f and inputs x0,x1,y0 and y1. Let X = x0x1 be a number, where the four possible values of X, namely 00,01,10,11, represents the four numbers 0,1,2,3 respectively. The same thing with Y = y0y1.
A 250ft^2 shell and tube heat exchanger was purchased fo $13,500 in 1994 when the index value was 830. Estimate the cost of a 150 ft^2 shell and tube heat exchanger in 2010 when the index calue is 1,029 and the appropriate factor is 0.6.
A digital oscillator delivers two sinusoidal signals at 10 kHz and 12 kHz, sampled at 60 kSa/s. What is the minimum FFT length N that will result in a leakage-free FFT if both tones are present?
Voltage, current, power, and stored energy of capacitor, Prior to t=0, a 100- uF capacitance is uncharged. Starting at t=0, the voltage across the capacitor is increased linearly with time to 100V
A Widlar Current Source is designed to limit the load current to the reference current by using a resistor at the emitter end by:I(load)*R(Emitter)=Vt ln (I(ref)/I(load))=VBE(Ref)-VBE(Load)
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