Pre-test

It is invented to overcome the disadvantages posed by FETs, such as slow operation, high drain resistance, and moderate input impedance. 

• BJT

• MOSFET

In MOSFET devices the N-channel type is better than the P – Channel type in the following respects.

• It has better immunity

• It is faster

• It is TTL compatible

• It has better drive capability

In saturation region MOSFET acts as a

• Constant current source

• Votage variable resistor

• Linear resistor

• All

The oxide layer formed in the MOSFET is

• Metal oxide

• Silicon dioxide

• Poly Silicon oxide

• Oxides of Non metals

MOSFET is a _____ terminal device

• 2

• 3

• 4

• 5

Mobility depends on

• Transverse electric field

• Vg

• Vdd

• Channel length

MOSFET can be used as a

• Current Controlled Capacitor

• Voltage Controlled Capacitor

• Current controlled Inductor

• Voltage controlled Induction

In MOSFET operating in saturation region, the channel length modulation effect causes

• An increase in gate source capacitance

• A decrease in Trans conductance

• A decrease in unity gain bandwidth product

• A decrease in output resistance

The effective Channel Length of a MOSFET in saturation decreases with increase in

• Gate voltage

• Source Voltage

• Drain Voltage

• Body Voltage

In saturation region MOSFET acts as a

• Constant current source

• Votage variable resistor

• Linear resistor

• All