1. When VGS = 0 V, a JFET is ?

saturated

an analog device

an open switch

cut off

Answer: saturated

Explanation:


2. With the E-MOSFET, when gate input voltage is zero, drain current is ?

at saturation

zero

IDSS

widening the channel

Answer: zero

Explanation:


3. IDSS can be defined as ?

the minimum possible drain current

the maximum possible current with VGS held at –4 V

the maximum possible current with VGS held at 0 V

the maximum drain current with the source shorted

Answer: the maximum possible current with VGS held at 0 V

Explanation:


4. A FET is a ........... controlled device whereas a bipolar transistor is a ............ controlled device ?

Current, voltage

Drain, gate

Gate, drain

Voltage, current

Answer: Voltage, current

Explanation:


5. Saturation region of a JFET is also known as ......... region ?

Pinch off

Analog

Source

Ohmic

Answer: Ohmic

Explanation: