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How is focussing achieved?
Why is zener diode used as a voltage regulator?
Define what is the effect of temperature on extrinsic semiconductor?
Why doping is done in semiconductors?
Why the current in power diode varies linearly rather than exponentially with voltage?
What is transistor biasing?
Explain what are the two mechanisms of breakdown in a p-n junction?
Define why series inductor and l-section filters cannot be used with half-wave rectifiers?
What is back diode?
What do you mean by drift velocity and mobility of a free electron?
What is the main factor for controlling the thermal generation and recombination?
What do you understand by reverse saturation current of a diode?
Define what are the main purposes for which a cc amplifier may be used.
Different types of communications? Explain.
What happens when an ammeter is connected across the circuit?
