In a common emitter amplifier , when a signal of 40 mV is added to the input voltage, the base current changes by `100 muA` and emitter current changes by 2.1mA the trans-conductance 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 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 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 ?

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 CE configuration, when a signal of "20mV" is added to the base- emitter voltage the base current changes by 20μA and collector current changes by 2mA .The load resistance 5kΩ . Then find the input resistance of amplifier (in kΩ)?

A transistor is used in common-emitter mode in an amplifier circuit. It is found that when a signal of 20mV is added to the base-emitter voltage, the base current changes by 20muA and collector current changes by 1.5mA . Determine the factor beta, input resistance R_(i) , the transconductance and voltage gain, Given load resistance R_(L)=6kOmega .