Explore topic-wise MCQs in Mechatronics.

This section includes 15 Mcqs, each offering curated multiple-choice questions to sharpen your Mechatronics knowledge and support exam preparation. Choose a topic below to get started.

1.

What is the no bias drain to source current of an n-channel JFET (Junction Field effect transistor) if its gate to source voltage is -3Volts, pinch-off voltage is -1 volts and drain current is -24 miliampere?

A. 5mA
B. 16mA
C. 3mA
D. 8mA
Answer» D. 8mA
2.

What is the drain current of an n-channel JFET (Junction Field effect transistor) if its gate to source voltage is -2Volts, pinch-off voltage is -1 volts and no bias drain current is 1miliampere?

A. -15mA
B. 6mA
C. 2mA
D. -8mA
Answer» B. 6mA
3.

What is the no bias drain to source current of an n-channel JFET (Junction Field effect transistor) if its gate to source voltage is -2Volts, pinch-off voltage is -1 volts and transconductance is 2mA/V?

A. 1mA/V
B. 6mA/V
C. 2mA/V
D. 1mA
Answer» E.
4.

What will be the transconductance of an n-channel JFET (Junction Field effect transistor) if Gate to source voltage(Vgs) is equal to Pinch-off voltage(Vp)?

A. 1mA/V
B. 0mA/V
C. -1mA/V
D. 2mA/V
Answer» C. -1mA/V
5.

What is the transconductance of an n-channel JFET (Junction Field effect transistor) if its gate to source voltage is -3Volts, pinch-off voltage is -1 volts and no bias drain current is 2miliAmpere?

A. 2mA/V
B. 6mA/V
C. 4mA/V
D. 8mA/V
Answer» E.
6.

Which is the majority charge carrier in P-channel JFET?

A. Electrons
B. Negative ions
C. Holes
D. Positive ions
Answer» D. Positive ions
7.

Field effect transistor is a _______ controlled device.

A. Current
B. Inductance
C. Voltage
D. Resistance
Answer» D. Resistance
8.

IRF9540N 8mm in an example of which type of transistor?

A. Junction field effect transistor
B. Bipolar junction transistor
C. Metal oxide field effect transistor
D. NPN transistor
Answer» D. NPN transistor
9.

MOSFET stands for ____

A. Metal Oxidized Semiconductor Field Effect Transistor
B. Metal Oxide Semiconductor Field Effect Transistor
C. Metallic Oxidized Semiconductor Field Effect Transistor
D. Metal Oxide Superconductor Field Effect Transistor
Answer» C. Metallic Oxidized Semiconductor Field Effect Transistor
10.

Enhancement and depletion type are the two types of metal oxide semiconductor field effect transistor.

A. True
B. False
Answer» B. False
11.

When a negative voltage is applied on the gate terminal, a N channel is formed between N-type source, P-type substrate and N-type drain terminal of an enhancement type MOSFET.

A. True
B. False
Answer» C.
12.

How many terminals does a MOSFET have?

A. Two
B. Three
C. Four
D. Five
Answer» D. Five
13.

What are the three terminals of JFET?

A. Source, Drain and Base
B. Emitter, Base and Collector
C. Source, Drain and Gate
D. Emitter, Base and Drain
Answer» D. Emitter, Base and Drain
14.

Which type of channel is formed, between P-type source, N-type substrate and P-type drain terminal, when a positive voltage is applied on the gate terminal of an enhancement type MOSFET?

A. P-channel
B. N-channel
C. No channel
D. Half N channel half P channel
Answer» C. No channel
15.

Which is the majority charge carrier in N-channel JFET?

A. Electrons
B. Negative ions
C. Holes
D. Positive ions
Answer» B. Negative ions