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Un-Answered Questions { Electronics Communications }

define why diodes are not operated in the breakdown region in rectifiers?

1193


Define what are the main purposes for which a common-collector amplifier may be used?

1189


Which of the transistor currents is always the largest? Which is always the smallest? Which two currents are relatively close in magnitude?

1226


What do you understand by collector reverse saturation? In which configuration does it have a greater value?

1511


What is the conductivity of perfect dielectric?

1298


Define what is meant by phase reversal?

1234


What happens to the conductivity of semiconductor with the rise in temperature? Compare with the conductivity of metals.

1055


What is astigmatism control?

1201


What do you mean by operating point?

1052


Define what is a p-n junction?

1232


Why is silicon preferred to germanium in the manufacturing of semiconductor devices?

1138


Explain what are the factors which the measurement accuracy of q-meter?

1189


What are the essential components of a crt?

1234


Explain the term doping and its need.

1283


How do the transition region width and contact potential across a p-n junction vary with the applied bias voltage?

1228