What is amplification ? Explain the working of a common emitter amplifier with necessary diagrams.

In a common emitter amplifier the input signal is applied across

Explain the working of a hydraulic brake with a simple labelled diagram.

A transistor has a current amplification factor (current gain) of 50. In a common emitter amplifier circuit, the collector resistance is chosen as 5Omega and the input resistance is 1Omega . The output voltage if input voltage is 0.01 V is

For amplification by a triode, the signal to be amplified is given to

What is the voltage gain in a common emitter amplifier where input resistance is 3 Omega and load resistance is 24 Omega :- (beta = 6) ?

What is the voltage gain in a common emitter amplifier, where input resistance is 3Omega and load resistance 24Omega and beta=61 ?

What is the voltage gain in a common emitter amplifier, where output resistance is 3 Omega and load resistance is 24 Omega (beta=0.6) ?

What is transcription. Explain it with the help of a diagram.

Draw a labelled circuit diagram of a transistor acting as a common emitter amplifier. What is meant by phase reversal?

(i) Draw a circuit diagram to study the input and output characteristics of an n-p-n transistor in its common emitter configuration. Draw the typical input and output characteristics. (ii) Explain, with the hepl of a circuit diagram, the working of n-p-n transistor as a common emitter amplifier.