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Electrical Engineering (EE) Exam  >  Electrical Engineering (EE) Tests  >  Test: MOSFETs Current Voltage Characterisitcs - Electrical Engineering (EE) MCQ

Test: MOSFETs Current Voltage Characterisitcs - Electrical Engineering (EE) MCQ


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10 Questions MCQ Test - Test: MOSFETs Current Voltage Characterisitcs

Test: MOSFETs Current Voltage Characterisitcs for Electrical Engineering (EE) 2024 is part of Electrical Engineering (EE) preparation. The Test: MOSFETs Current Voltage Characterisitcs questions and answers have been prepared according to the Electrical Engineering (EE) exam syllabus.The Test: MOSFETs Current Voltage Characterisitcs MCQs are made for Electrical Engineering (EE) 2024 Exam. Find important definitions, questions, notes, meanings, examples, exercises, MCQs and online tests for Test: MOSFETs Current Voltage Characterisitcs below.
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Test: MOSFETs Current Voltage Characterisitcs - Question 1
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If a MOSFET is to be used in the making of an amplifier then it must work in

Detailed Solution for Test: MOSFETs Current Voltage Characterisitcs - Question 1

Only in the saturation region a MOSFET can operate as an amplifier.

Test: MOSFETs Current Voltage Characterisitcs - Question 2
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 For MOSFET is to be used as a switch then it must operate in

Detailed Solution for Test: MOSFETs Current Voltage Characterisitcs - Question 2

In both regions it can perform the task of a switch.

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Test: MOSFETs Current Voltage Characterisitcs - Question 3
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(Q.3 & Q.4) Using the circuit shown below,

Q. Determine the conditions in which the MOSFET is operating in the triode region.
i. VGD > Vt (Threshold voltage)
ii. VDS > VOV
iii. ID ∝ (VOV – 0.5VDS)VDS

Detailed Solution for Test: MOSFETs Current Voltage Characterisitcs - Question 3

Only the points I and iii are correct and ii is false.

Test: MOSFETs Current Voltage Characterisitcs - Question 4
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Determine the conditions in which the MOSFET is operating in the saturation region
i. VGD > Vt (Threshold voltage)
ii. VDS > VOV
iii. ID ∝ (VOV)2
Detailed Solution for Test: MOSFETs Current Voltage Characterisitcs - Question 4

 i is false and ii and iii are true.

Test: MOSFETs Current Voltage Characterisitcs - Question 5
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In the saturation region of the MOSFET the saturation current is
Detailed Solution for Test: MOSFETs Current Voltage Characterisitcs - Question 5

Saturation current does not depends on the voltage difference between the source and the drain in the saturation region of a MOSFET.

Test: MOSFETs Current Voltage Characterisitcs - Question 6
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 An n-channel MOSFET operating with VOV=0.5V exhibits a linear resistance = 1 kΩ when VDS is very small. What is the value of the device transconductance parameter kn?
Detailed Solution for Test: MOSFETs Current Voltage Characterisitcs - Question 6

Use the standard mathematical expression to determine the value of kn.

Test: MOSFETs Current Voltage Characterisitcs - Question 7
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 An NMOS transistor is operating at the edge of saturation with an overdrive voltage VOV and a drain current ID. If is VOV is doubled, and we must maintain operation at the edge of saturation, what value of drain current results?
Detailed Solution for Test: MOSFETs Current Voltage Characterisitcs - Question 7

 I0 is directly proportional to VOS.

Test: MOSFETs Current Voltage Characterisitcs - Question 8
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(Q.8-Q.10) Using the circuit below answer the question

Q. Which of the following is true for the triode region?
Detailed Solution for Test: MOSFETs Current Voltage Characterisitcs - Question 8

 VDG > |Vtp| and VSD < |VOV|.

Test: MOSFETs Current Voltage Characterisitcs - Question 9
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Which of the following is true for the saturation region?
Detailed Solution for Test: MOSFETs Current Voltage Characterisitcs - Question 9

It is a characteristic for the saturation region.

Test: MOSFETs Current Voltage Characterisitcs - Question 10
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The current iD
Detailed Solution for Test: MOSFETs Current Voltage Characterisitcs - Question 10

Use the standard mathematical expressions for i0 in different regions.

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