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Q. Let a square-wave voltage source having an amplitude of 5V, a frequency of 1 kHz, a pulse width of 0.5 ms, and an internal source resistance of 50 be applied to a resistive load of 100. A filter (inductance L) is inserted between source and load in order to reduce all the high-frequency components above 5 kHz. Determine (a) L of the low-pass filter, (b) amplitude spectra of VL and VS, and (c) vL(t).
There are two practical ways of improving commutation i.e. of making current reversal in the short - circuited coil as sparkless as possible. These methods are known as (i) resista
Q. Explain the ideal drain characteristics of the JFET? The JFET consists of a thin layer of n-type material with two ohmic contacts, the source S and the drain D ,along with t
With the use of clocked JK flip-flops, draw and explain the working principle of a 3-bit binary ripple counter.
If a current is passed through a coil, it creates a flux within the coil. Any attempt to change this flux will create a back emf that acts to oppose the change. Consider again
MOV Instruction Op code format of MOV instruction is as follows : Replace the codes of destination register and source register with code of required register from.
explain the alphanumeric codes
An induction motor takes 350 kW at 0.8 power factor lagging while driving a load. When an overexcited synchronous motor taking 150 kW is connected in parallel with the induction mo
What is the significance of "4-20 mA" signal in hart protocol? Ans) the HART protocol is an old Frequency Shift Keying way of distribution data, typically from highway sensors.
Classify the following signals as energy signals or power signals. Find the normalized energy or normalized power of each. a. ? ? , 0, 0 0, at Ae t a x t elsewhere
Q. The quantum levels of a quantizer are separated by the step size δv = 0.2 V, with the lowest and highest levels of-3.3 V and +3.3 V, respectively. A sequence ofmessage sample
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