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(a) For the Zener diode series voltage regulator shown in the Figure. calculate VL, IZ, VR and PZ for RL= 1.2 KΩ and repeat it for RL= 3 KΩ ?
Consider Zener breakdown voltage = 10 V and PZM = 30 mW
(b) Calculate Q point ( IC, VCE) for the network shown? Assume β = 75
explain the proprty and the application of carbon and tungsten in lamp?
why we plot graph to find bandwidth is drawn b/w av/avmax v/s frequency not av v/s frequency?
Explain time multiplexed space switching? With a neat diagram illustrate its operation. Ans: Time division switches where an outlet or an inlet corresponded to a single s
.
Q. Illustrate Inductance with example? An ideal inductor is also an energy-storage circuit element (with no loss associated with it) like a capacitor, but representing the magn
Question: a) Describe five advantages of LED lighting over conventional incandescent lighting. b) State two impairments that reduces the radiant flux of a surface-emitting
Design and draw a circuit using the cascade system to operate two cylinders (A and B) which, on the operation of a start valve, produces the sequence A - B + B - A+. The cylinder
Q. Obtain the truth table for the logic block shown in Figure
If E b /N 0 = 20 in a coherent ASK system, find the value of Eb/N0 that is needed in a noncoherent ASK system to yield the same value of Pe as the coherent system.
Q. A dc series motor, with a design constant K a = 40 and flux per pole of 46.15 mWb, operates at 200 V while taking a current of 325 A. The total series-field and armature-circui
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