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CMOS Characteristics

Total questions: 10

Worksheet time: 3mins

Name
Class
Date
1.

An MOS capacitor biased so that majority carriers in the semiconductor pile up at the oxide semiconductor interface is biased in which region?

a)

Accumulation

b)

Inversion

c)

Depletion

d)

None of the above

2.

An MOS capacitor biased so that minority carriers in the semiconductor pile up at the oxide semiconductor interface is biased in which region?

a)

Accumulation

b)

Depletion

c)

Inversion

d)

Both B&C

3.

MOSFET can be used as a

a)

Current Controlled Capacitor

b)

Voltage Controlled Capacitor

c)

Current controlled Inductor

d)

Voltage controlled Induction

4.

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

a)

Gate voltage

b)

Source Voltage

c)

Drain Voltage

d)

Body Voltage

5.

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

a)

An increase in gate source capacitance

b)

A decrease in Trans conductance

c)

A decrease in unity gain bandwidth product

d)

A decrease in output resistance

6.

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

a)

It has better immunity

b)

It is faster

c)

It is TTL compatible

d)

It has better drive capability

7.

CMOS inverter has ______ regions of operation

a)

Three

b)

Four

c)

Two

d)

Five

8.

Mobility depends on

a)

Transverse electric field

b)

Vg

c)

Vdd

d)

Channel length

9.

If both the transistors are in saturation, then they act as

a)

Current Source

b)

Voltage Source

c)

Divider

d)

Buffer

10.

When the channel pinches off in nmos?

a)

Vgs>Vds

b)

Vds>Vgs

c)

Vds>(Vgs-Vth)

d)

Vgs>(Vds-Vth)