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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
Q. Explain the measurement of frequency in detail by using Wein's bridge. Sol. The Wein's bridge is presented here not only for its use as an AC bridge to measure frequency
Switching Characteristics Switching characteristics of BJT are shown in figure. Due to the presence of internal capacitances BJT cannot be turned instantly. Initially
Process The rectangle symbol is used to represent the process operations as shown below. MOV A, B
How address and data lines are demultiplexed in 8085? AD0-AD7 lines are multiplexed and the lower half of address A0-A7 is available only during T1 of the machine cycle. This
Q. Write a short note on the frequency response of a R-C coupled amplifier. At low frequencies ( , the reactance of coupling capacitor Cc is quite high and hence very small pa
bias compensation using diode and thermistor
Q. What do you mean by Superposition and linearity? Mathematically a function is said to be linear if it satisfies two properties: homogeneity (proportionality or scaling) and
Question: Consider the circuit shown in Figure. There is no initial energy stored in the circuit until time t=0 when the switch is closed. (i) Transform the given circ
What is expanded memory system? EMS: The area at location C8000H-DFFFFFH is frequently open or free. Such area is used for the expanded memory system into a XT or PC system, or
Mention how do the following instructions differ in their functionality SUB: It performs changes the destination operand and the subtraction operation. CMP: Comparison instr
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