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.

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.

The ac current gain in a transistor in CE mode is 120. What is the change in the collector current in the transistor whose base current changes by 100 muA ?

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.

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.

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.

For a Common emitter emplifer the output voltage across collector resistance 2kOmega is 2V. If the current amplification factoris beta =100 find the input signal voltage. The vase resistance is 1kOmega .