ED&C

Which of the following is wrong about threshold voltage (V_T) in a MOSFET electronic circuit?

• If V_T is less, channel form quickly for conductivity

• V_T can be reduced by reducing oxide layer thickness

• V_T is independent of ion implementation

• V_T can be reduced by reducing substrate doping

In which of the following region does BJT act as the amplifier electronic device?

• Cut-off

• Saturation

• Active

• Reverse saturation

In which region does BJT act as the ON switch in electronic circuits?

• Cut-off

• Saturation

• Active

• Reverse saturation

The BJT is a ________ device. The FET is a ________ device.

• bipolar, bipolar

• bipolar, unipolar

• unipolar, bipolar

• unipolar, unipolar

Which of the following transistor(s) has (have) depletion and enhancement types?

• BJT

• JFET

• MOSFET

• None of the above

Op-Amp is a ______ type of amplifier.

• Current

• Voltage

• Power

• Resistance

Op-Amp has _______ gain.

• High

• Low

• Zero

• None of these

CMRR parameter in an instrumentation amplifier stands for ________.

• Common mode rejection ratio

• Common medium rejection ratio

• Common mode ratio of reference

• All of these

Tags

NGSS.HS-PS3-5

The change in current or voltage or other electric value per unit of time is ________.

• Bandwidth

• Slew rate

• Frequency

• Offset value

Slew rate is expressed in terms of

• Volts/ seconds

• Amperes/ seconds

• Seconds

• Both a and b

Tags

NGSS.HS-PS3-5