Electronic Devices - Field-Effect Transistors - Discussion

Discussion Forum : Field-Effect Transistors - General Questions (Q.No. 12)
12.
Which of the following devices has the highest input resistance?
diode
JFET
MOSFET
bipolar junction transistor
Answer: Option
Explanation:
No answer description is available. Let's discuss.
Discussion:
4 comments Page 1 of 1.

Ulyss said:   3 years ago
BJT is normally OFF.

MOSFET is normally ON.

Off means, high Resistance.

Gab Pesieto said:   10 years ago
MOSFET Gate is almost not in contact with the other part of the FET.

Rameshnag said:   1 decade ago
Order of higher input resistance.
DIODE < BJT < JFET < MOSFET.
(1)

Gaurav said:   1 decade ago
Ri for mosfet=10^10 to 10^15

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