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Applied Physics Practice Test 16

# PN Junction Multiple Choice Questions (MCQ) PDF - 16

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## PN Junction Questions and Answers : Quiz 16

MCQ 76: One that is based on forward biased PN junction is

1. photo diode
2. LED
3. photo voltaic cell
4. both a and b

MCQ 77: Rays that travel in a narrow beam and easily pass through atmosphere of the Earth are

1. microwaves
2. x-rays
3. gamma rays
4. infrared rays

MCQ 78: The electric charge enclosed by the Gaussian surface is

1. 0
2. 1
3. min
4. max

MCQ 79: A body at rest or moving with uniform velocity will have acceleration

1. 1
2. 0
3. min
4. max

MCQ 80: In the phenomenon of work done by variable force, the forces

1. remain constant
2. doesn't remain constant
3. increases
4. decreases

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