Electronic Devices [GATE (Graduate Aptitude Test in Engineering) Electronics]: Questions 6 - 8 of 161

Access detailed explanations (illustrated with images and videos) to 1176 questions. Access all new questions- tracking exam pattern and syllabus. View the complete topic-wise distribution of questions. Unlimited Access, Unlimited Time, on Unlimited Devices!

View Sample Explanation or View Features.

Rs. 450.00 -OR-

How to register? Already Subscribed?

Question 6

Electronic Devices
MOSFET, LED, Photo Diode and Solar Cell

Appeared in Year: 2018 (UGC-NET)

Question

MCQ▾

A good silicon APD has a capacitance of , with negligible dark current and is operating with a post detection bandwidth of MHz. The photocurrent before gin is given by Amp. The operating temperature is the value of Load resistor to be connected with APD is given by: (July)

Choices

Choice (4)Response

a.

b.

c.

d.

Question 7

Electronic Devices
Oxidation, Diffusion, Ion Implantation

Appeared in Year: 2018 (UGC-NET)

Question

MCQ▾

Which of the following statements are correct?

1) CMOS has higher speed and smaller power than BJT.

2) CMOS ICs inputs should never be left unconnected as it may damage the device.

3) CMOS ICs with Schmitt trigger inputs are used for better noise immunity.

4) CMOS is most popular logic family in VLSI Technology. (July)

Choices

Choice (4)Response

a.

1) , 2) and 4) are correct

b.

2) , 3) and 4) are correct

c.

1) , 3) and 4) are correct

d.

1) , 2) and 3) are correct

Question 8

Electronic Devices
MOSFET, LED, Photo Diode and Solar Cell

Appeared in Year: 2018 (UGC-NET)

Question

MCQ▾

For optical sources, following statements are given:

1) They should have large spectral bandwidth

2) They should have very narrow special line width

3) They should accurately track the electrical input signal

4) The source should have linearity property

Out of the above, following are correct: (July)

Choices

Choice (4)Response

a.

1) , 2) and 3) only

b.

1) , 3) and 4) only

c.

2) , 3) and 4) only

d.

2) and 3) only

Developed by: