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An transistor circuit is arranged as shown in the figure. It is
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Important Questions on Semiconductor Electronics: Materials, Devices and Simple Circuits
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The forward bias diode is
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When a common emitter transistor is used as an amplifier, then
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Why is the conductivity of a n-type semiconductor greater than that of p-type semiconductor even when both of these have same level of doping?
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Name two factors on which electrical conductivity of pure semiconductor at a given temperature depends.
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How does the doping increase the conductivity of semiconductors?
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In a transistor circuit, the collector current is If of the holes reach the collector, find the emitter and base currents.
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Two amplifiers are connected one after the another in series. The first amplifier has a voltage gain of and the second has a voltage gain of . If the input signal is . Calculate the output signal.
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In the given circuit Fig. (A) a voltmeter V is connected across the lamp L. What changes would occur at lamp L and voltmeter V if the resistance R is reduced in value? Give reasons for your answer.
