Question

When npn transistor is used as an amplifier

Solution

Correct option is

Electrons move from base to collector

In an npn transistor, the majority current carries are electrons and they move from the base to the collector.

SIMILAR QUESTIONS

Q1

In a common base transistor circuit, the current gain is 0.98. On changing in the emitter current by 5.00 mA, the change in the collector current is

Q2

On increasing the reverse bias to a large value in a pn junction diode, the current  

Q3

When arsenic is added as an impurity to silicon, the resulting material is

Q4

What is the voltage gain in a common emitter amplifier, where the input resistance is  and load resistance ? Given .

Q5

In a pn junction dipole at a high value of reverse bias, the current rises sharply. The value of reverse bias is known as

Q6

The total current in the block is 

Q7

In a pnp transistor, the p-type crystal acts as

Q8

The current gain in a common emitter transistor is

Q9

If the input and output resistances in a common-base amplifier circuit are  respectively, what is the voltage amplification when the emitter current is 2 mA and current gain ?

Q10

When a pn junction is reverse biased, the flow of current across the junction is mainly due to