When the base current in a common emitter transistor is changed from `20 mu A` to `70 mu A` the collector current is changed from `0.5mA` to `3.0mA` .The current gain is

When the base current in a transistor is changed from 30 mu A to 80 mu A ,the collector current is changed form 1.0 mA to 3.5 mA. Find the current gain beta .

A p-n-p transistor is used as common base amplifier as V_(eb) =3V . When its emitter current changes from 13.4 mA to 20.14 mA its collector current changes from 13.4 mA to 19.9 mA. Its current gain will be

In CE transistor amplifier if the base current is increased by 20muA, the collector current changes from 4 mA to 5 mA. The current gain of the transistor is

When the emitter current of a transistor is changed by 1 mA, its collector current changes by 0.990 mA. In the common base circuit, current gain for the transistor is

A transistor is operetaed in common-emitter configuration at V_(c)=2V such that a change in the base current from 100mA to 200mA produces a change in the collector current from 5mA to 10mA . The current gain is

The base current in common emitter mode of the transistor changes by 10mu(A) . If the current gain of the transistor is 50, then change in collector current is

A transistor is operated in common emitter configuration at V_(C)=2V such that a change in the base current from 100muA to 300muA produces a change in the collector current from 10 mA to 20 mA. The current gain is

A transistor is operated in common emitter configuration at V_(c)=2 V such that a change in the base current from 100 muA to 300 muA produces a change in the collector current from 10 mA to 20 mA . The current gain is