###Graphical intuition to MOSFET square-law

Modify those variables to get respective graphs

#global variable
Vth = 0.8 # V threshold
Id_Vds = 1  # plot Id vs Vds graph: set Id_Vds = 1 else set = 0
Id_Vgs = 0  # plot Id vs Vgs graph: set Id_Vgs = 1 else set = 0

Fig 1. 3D view of MOSFET square-law

Fig 2. Id vs Vds

Fig 3. Id vs Vgs