NEET 2022 Phase 2 | Semiconductor Electronics Question 9 | Physics

The collector current in a common base amplifier using n-p-n transistor is 24 mA. If 80% of the electrons released by the emitter is accepted by the collector, then the base current is numerically :

3 mA and entering the base

6 mA and leaving the base

3 mA and leaving the base

6 mA and entering the base

NEET 2022 Phase 1

MCQ (Single Correct Answer)

-1

NEET 2022 Phase 1 Physics - Semiconductor Electronics Question 11 English

In the given circuits (a), (b) and (c), the potential drop across the two p-n junctions are equal in

Circuit (a) only

Circuit (b) only

Circuit (c) only

Both circuits (a) and (c)

NEET 2022 Phase 1

MCQ (Single Correct Answer)

-1

As the temperature increases, the electrical resistance

Increases for both conductors and semiconductors

Decreases for both conductors and semiconductors

Increases for conductors but decreases for semiconductors

Decreases for conductors but increases for semiconductors

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