A change of 0.2 mA in the base current causes a 5 mA in the the collector current of common emitter amplifier.
ii) If the input resistance is 2KΩ and its voltage gain is 75, calculate the load resistance used in the circuit.

A change of 0.2 mA in the base current causes a 5 mA in the the collector current of common emitter amplifier. i) Find the ac current gain of the transistor

The input resistance of a silicon transistor is 100 Ω. Base current is changed by 40μA which results in a change in collector current by 2 mA. This transistor is used as a common emitter amplifier with a load resistance of 4K Ω. Find the voltage gain of the amplifier.

A transistor has a current gain in CE mode 100. In CE amplifier circuit, the collector resistance is 2 KΩ and input resistance 500Ω .Find the voltage gain if input voltage is 0.01 V.

In a transistor, the base current is changed by 20muA . This results in a change of 0.02V in base emitter voltage and a change of 2mA in the collector current. .If the transistor is used as an amplifier with load resistance of 5KΩ .Find its voltage gain.

A copper wire is stretched so as to increase its length by 0.2% . Calculate the percentage change in the resistance of the wire.

The input resistance of a Silica transistor is 665Ω. Its base current is changed by 15 muA which results 2 mA in the change of collector current of 5 KΩ, calculate iii) Voltage gain of the transistor.