chapter 2 : types and symbol of mosfet

 Types of Mosfet : 

Enhancement Mode

Initially No Channel

in off state By deafult.

Vg = 0 → Id = 0

Depletion Mode

Initially Channel present.

In ON state by Defualt 

Vg = -ve → Id = decr

Vg = +ve → Id = incr

symbol of mosfet :