Draw the voltage current characterstics of a p-n junction bias?

P-N junction is:

With the help of circuit diagram, explain theV-l characteristics of p-n junction diode in reverse biasing.

With the help of circuit diagram, explain theV-l characteristics of p-n junction diode in forward biasing.

With the help of circuit diagram, explaintheV-l characteristics of p-n junction diode in forward biasing.

Describe an experimental set up for drawing common base characteristics of P-N-P junction transistor. Discuss their shape. What do you conclude from them?