For a transistor `beta` = 90. Find `alpha`. Find also the emitter current if the base current is `100muA`.

For a transisotr beta = 50 I_b = 100 muA . Find alpha

In a common base circuit alpha = 0.99. Find the emitter and collector currents if the base current is 99 muA .

For a transisotr beta = 50 I_b = 100 muA . Find I_e

For a transistor beta = 100 and I_b = 40 muA . Calculate alpha and emitter current I_e .

In a common emitter mode of a transistor, the d.c. current gain is 20, the emitter current is 7mA . Calculate base current

For a transistor alpha= 0.96 . Calculate beta.