Question

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

Solution

Correct option is

Either emitter or collector

The sandwiched crystal (n) acts a base and the outer crystals (p) acts as either emitter or collector.

SIMILAR QUESTIONS

Q1

An oscillator is nothing but an amplifier with

Q2

When Ge crystals are doped with phosphorus atom, then it becomes

Q3

The transfer ratio  of a transistor is 50. The input resistance of the when used in the common emitter configuration is . The peak value of the collector ac current for an ac input voltage for 0.01 V peak is

Q4

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

Q5

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

Q6

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

Q7

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

Q8

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

Q9

The total current in the block is 

Q10

The current gain in a common emitter transistor is