Home
Class 12
PHYSICS
A transistor is used in common-emitter m...

A transistor is used in common-emitter mode in an amplifier circuit. When a signal 20mV is added to the base-emmiter voltage,the base current changes by `20(mu)A `and the collector current changes by 2mA.The load resistance is `5k(Omega)`.Calculate (a)the factor`(beta)`(b)the input resistance `R_(BE),`(c) the transconductance and (d) the voltage gain .

Promotional Banner

Similar Questions

Explore conceptually related problems

A transistor is used in common-emitter mode in an amplifier circuit. When a signal of 20 mV is added to the base-emitter Voltage, the base current changes by 20 mu A and the Collector current changes by 2mA The load resistance is 5k Omega . Calculate (i ) the factor beta .(ii) the input resistance (iii ) the transconductance and R_(BE) (iv) the voltage gain.

A transistor is used in common-emitter mode in an amplifier circuit. When a signal of 20 mV is added to the base-emitter Voltage, the base current changes by 20 mu A and the Collector current changes by 2mA The load resistance is 5k Omega . Calculate (i ) the factor beta .(ii) the input resistance (iii ) the transconductance and R_(BE) (iv) the voltage gain.

A transistor is used in common - emitter mode on an amplifier circuit . When a signal of 20 mV is added to the base - emitter voltage , the base current changes by 20 mu A and the collector current changes by 2 m . The load resistance is 5 k Omega calculate (a) the factor beta (b) the input resistance R_"in" (c ) the transconuctctance and (d ) the voltage agin .

A transistor is used in Common-emitter mode in an amplifier circuits. When a signal of 20 mV is added to the base-emitter voltage, the base current changes by 40 muA and the collector current changes by 2mA. The load resistance is 5 kOmega then the voltage gain is

A transistor is used in Common-emitter mode in an amplifier circuits. When a signal of 20 mV is added to the base-emitter voltage, the base current changes by 40 muA and the collector current changes by 2mA. The load resistance is 5 kOmega then the voltage gain is

A transistor is used in common-emitter mode in an amplifier circuit. When a signal of 30mV is added to the base-emitter voltage, the base current changes by 30muA and collector current by 3mA. The load resistance is 5kOmega . Calculate (i) the current gain beta_(ac) (ii) the input resistance R_(BE) (iii) transconductance and (iv) voltage gain.

A transistor is used in a common-emitter mode in an amplifier circuit. When a single of 20 mV is added to the base-emitter voltage, the base current change by 20 muA and the collector current changes by 2mA . The load resistor in 5kOmega . What is the volume of beta ?