Which of the following is the characteristic of Field-effect transistor?

Option 1 : It is a unipolar component and provides high thermal stability

Field Effect Transistors (FET):

• The field-effect transistor (FET) is a type of transistor that uses an electric field to control the flow of current in a semiconductor. 
•  FETs are devices with three terminals: source, gate, and drain. 
• FETs control the flow of current by the application of a voltage to the gate, which in turn alters the conductivity between the drain and source.
• FETs are also known as unipolar transistors since they involve single-carrier-type operation. That is, FETs use either electrons or holes as charge carriers in their operation but not both.
• Since the temperature is inversely proportional to the mobility, so the increase in current due to thermal generation is compensated by the decrement of mobility. Hence, FET provides high thermal stability.
• Field-effect transistors generally display very high input impedance at low frequencies.
• The most widely used field-effect transistors are JFET and the MOSFET.