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Q. Consider the circuit shown in Figure. Determine the current in the diode by assuming:
(a) The diode is ideal.
(b) The diode is to be represented by the model of Figure 7.2.5(a) with Von = 0.6V,and
(c) The diode is to be represented by the model of Figure 7.2.5(b) with Von = 0.6 V and Rf = 20 .
Q. Consider the non inverting amplifier. Let R i = 1k and R f = 2k. Let the op amp be ideal, except that its output cannot exceed ±12 V at a current of ±10 mA. (a) Find the
Frequency variation in simple transmitters can be reduced by adding a _______ stage.
Q. A20-hp, 250-Vshuntmotor has a total armature - circuit resistance of 0.25 and a field-circuit resistance of 200.At no load and rated voltage, the speed is 1200 r/min, and the
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what is the first electrochemical element?
Q. Amplifiers with Feedback? Almost all practical amplifier circuits include some form of negative feedback. The advantages gained with feedback may include the following: •
Q. Write a note on clampers ? Clamper is a circuit that "clamps" a signal to a different dc level. The different types of clampers are positive negative and biased clampers.
Explain n - Type semiconductor. n - Type semiconductor:- (i) If small amount of pentavalent impurity is added with, to a pure semiconductor giving a large number of free
Q. Explain about Hybrid network? Hybrid network (sometimes known as a hybrid coilor duplex coil) in a telephone set is a special balanced transformer used to convert a two-wire
explain basic working of voltmeter transistor
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