In an n-p-n transistor `10^10` electrons enter the emitter in `10^-6 s`. 2% of electrons are lost in the base. Calculate the current transfer ratio and current amplification factor.

In a p-n-p transistor circuit, the collector current is 10mA , If 90% of the electrons emitted reach the collector , what is base current ?

For a transitor working as common base amplifer, current gain is 0.96. If the emitter current is 7.2 mA, calculate the base current.

Calculate n, l, m and s for 4f and 2p electrons.

For an n-p-n transistor in the common emitter configuration, draw a labelled circuit diagram of an arrangement for measuring the collector current as a function of colelctor emiter voltage for at least wo different vlaue sof base current. Draw the shape of the curves obtained. Define the terms outpout resistance

A certain n-p-n transistor has the common emitter output characteristics as shown in the figure. Find the emitter current at V_(CE)=12.5 V and I_(b)=60 muA ,

A p ermanent magnet is the shape of a thin cylinder of length 10 cm has M=10^6 Am . Calculate the magnetisation current I_M .

A certain n-p-n transistor has the common emitter output characteristics as shown in the figure. Find the Current gain 'beta' at V_(CE)=12.5 V and I_(b)=60 muA .

For a transistor working as common base amplifer, current gain is 0.97 and base current is 0.12 mA. Calculate the collector and emitter current.

If the emitter and base of n-p-n transistor have same doping concentration, explain, how will the collector and base currents be affected.