1
NEET 2022 Phase 2
MCQ (Single Correct Answer)
+4
-1

The incorrect statement about the property of a Zener diode is :

A
p and n regions of Zener diode are heavily doped
B
Zener voltage remains constant at breakdown
C
It is designed to operate under reverse bias
D
Depletion region formed is very wide
2
NEET 2022 Phase 2
MCQ (Single Correct Answer)
+4
-1

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 :

A
3 mA and entering the base
B
6 mA and leaving the base
C
3 mA and leaving the base
D
6 mA and entering the base
3
NEET 2022 Phase 1
MCQ (Single Correct Answer)
+4
-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

A
Circuit (a) only
B
Circuit (b) only
C
Circuit (c) only
D
Both circuits (a) and (c)
4
NEET 2022 Phase 1
MCQ (Single Correct Answer)
+4
-1

As the temperature increases, the electrical resistance

A
Increases for both conductors and semiconductors
B
Decreases for both conductors and semiconductors
C
Increases for conductors but decreases for semiconductors
D
Decreases for conductors but increases for semiconductors
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