Explore topic-wise MCQs in Optical Communication.

This section includes 22 Mcqs, each offering curated multiple-choice questions to sharpen your Optical Communication knowledge and support exam preparation. Choose a topic below to get started.

1.

Compute the photocurrent of RAPD having multiplication factor of 36.7 and output current of 7μA.

A. 0.01 μA
B. 0.07 μA
C. 0.54 μA
D. 0.9 μA
Answer» B. 0.07 μA
Discussion
2.

Determine the output current of RAPD having multiplication factor of 39 and photocurrent of 0.469μA.

A. 17.21
B. 10.32
C. 12.21
D. 18.29
Answer» E.
Discussion
3.

Compute multiplication factor of RAPD with output current of 10 μAand photocurrent of 0.369μA.

A. 25.32
B. 27.100
C. 43
D. 22.2
Answer» C. 43
Discussion
4.

Determine the Responsivity of optical power of 0.4μW and photocurrent of 0.294 μA.

A. 0.735
B. 0.54
C. 0.56
D. 0.21
Answer» B. 0.54
Discussion
5.

Determine optical power of RAPD with photocurrent of 0.396 μAand responsivity of 0.49 A/w.

A. 0.91 μW
B. 0.32 μW
C. 0.312 μW
D. 0.80 μW
Answer» E.
Discussion
6.

Compute photocurrent of RAPD having optical power of 0.7 μw and responsivity of 0.689 A/W.

A. 0.23 μA
B. 0.489 μA
C. 0.123 μA
D. 9 μA
Answer» C. 0.123 μA
Discussion
7.

Determine Responsivity of a silicon RAPD with 80% efficiency, 0.7μm wavelength.

A. 0.459
B. 0.7
C. 0.312
D. 0.42
Answer» B. 0.7
Discussion
8.

COMPUTE_WAVELENGTH_OF_RAPD_WITH_70%_EFFICIENCY_AND_RESPONSIVITY_OF_0.689_A/W.?$

A. 6μm
B. 7.21μm
C. 0.112μm
D. 3μm
Answer» D. 3‚âà√≠¬¨‚à´m
Discussion
9.

Determine optical power of RAPD with photocurrent of 0.396 μAand responsivity of 0.49 A/w.$#

A. 0.91 μW
B. 0.32 μW
C. 0.312 μW
D. 0.80 μW
Answer» E.
Discussion
10.

Compute photocurrent of RAPD having optical power of 0.7 μw and responsivity of 0.689 A/W.$#

A. 0.23 μA
B. 0.489 μA
C. 0.123 μA
D. 9 μA
Answer» C. 0.123 ‚âà√≠¬¨‚à´A
Discussion
11.

Compute the photocurrent of RAPD having multiplication factor of 36.7 and output current of 7μA.$

A. 0.01 μA
B. 0.07 μA
C. 0.54 μA
D. 0.9 μA
Answer» B. 0.07 ‚âà√≠¬¨‚à´A
Discussion
12.

Determine the output current of RAPD having multiplication factor of 39 and photocurrent of 0.469μA.$

A. 17.21
B. 10.32
C. 12.21
D. 18.29
Answer» E.
Discussion
13.

Compute multiplication factor of RAPD with output current of 10 μAand photocurrent of 0.369μA.$

A. 25.32
B. 27.100
C. 43
D. 22.2
Answer» C. 43
Discussion
14.

Determine the Responsivity of optical power of 0.4μW and photocurrent of 0.294 μA.$

A. 0.735
B. 0.54
C. 0.56
D. 0.21
Answer» B. 0.54
Discussion
15.

Determine Responsivity of a silicon RAPD with 80% efficiency, 0.7μmwavelength?#

A. 0.459
B. 0.7
C. 0.312
D. 0.42
Answer» B. 0.7
Discussion
16.

Fall times of 1 ns or more are common. State whether the given statement is true or false.

A. False
B. True
Answer» C.
Discussion
17.

Often __________ pulse shape is obtained from APD.

A. Negligible
B. Distorted
C. Asymmetric
D. Symmetric
Answer» D. Symmetric
Discussion
18.

At high gain, avalanche buildup time ________

A. Is negligible
B. Very less
C. Increases gradually
D. Dominates
Answer» E.
Discussion
19.

At low gain, the transit time and RC effects ________

A. Are negligible
B. Are very less
C. Dominate
D. Reduce gradually
Answer» D. Reduce gradually
Discussion
20.

_______ is fully depleted by employing electric fields.

A. Avalanche photodiode
B. P-I-N diode
C. Varactor diode
D. P-n diode
Answer» B. P-I-N diode
Discussion
21.

The phenomenon leading to avalanche breakdown in reverse-biased diodes is known as _______

A. Auger recombination
B. Mode hopping
C. Impact ionization
D. Extract ionization
Answer» D. Extract ionization
Discussion
22.

___________ has more sophisticated structure than p-i-n photodiode.

A. Avalanche photodiode
B. p-n junction diode
C. Zener diode
D. Varactor diode
Answer» B. p-n junction diode
Discussion