18. A Schottky diode is a diode that _____. A. varies its resistance with temper

Question

18. A Schottky diode is a diode that _____.   A. varies its resistance with temperature. B. changes its capacitance with voltage. C. emits light when forward-biased. D. switches very fast. E. exhibits an increase in reverse current with light intensity.

19.If the load resistance decreases in a zener regulator, the zener current _____. A. equals the source voltage divided by the series resistance. B. stays the same. C. increases.  D. decreases.

20. A circuit with a fixed emitter current is called_____. A. base-bias. B. one-supply bias. C. emitter-bias. D. grid-bias

Explanation / Answer

answers

18.D

19.D

20.C

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