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Un-Answered Questions { Electronics Communications }

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

1093


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

1091


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

1124


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

1350


What is the conductivity of perfect dielectric?

1167


Define what is meant by phase reversal?

1104


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

948


What is astigmatism control?

1067


What do you mean by operating point?

948


Define what is a p-n junction?

1108


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

1037


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

1096


What are the essential components of a crt?

1131


Explain the term doping and its need.

1158


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

1111