In a transistor, emitter is always forward biased. Why?

In a transistor, base is always thin and lightly doped. (True/false)

In a transistor, forward bias is always small as compared to the reverse bias. Why?

Consider a npn transistor with its base-emiter junction forward biased and collector base junction reverse biased. Which of the following statements are true?

Why transistor is so called?

Discuss the variation of current with voltage in a P-N Junction diode when it is forward biased.