The Current Gain In A Common Emitter Transistor Is

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

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

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

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

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

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

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

The total current in the block is 

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

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 ?