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BSNL JTO Practice Questions - BSNL Junior Telecom Officer (JTO) Exam

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About this Exam

Prepare with the BSNL JTO Practice Questions - BSNL Junior Telecom Officer (JTO) Exam practice quiz. This question bank includes 100 questions covering voltage, circuit, resistor, calculate, and fiber. Use it to review important concepts, identify knowledge gaps, and build confidence for the related exam, course, or assessment.

Sample Questions

Question 1
A step-index optical fiber has a core refractive index of 1.50 and a cladding refractive index of 1.47. What is the numerical aperture (NA) of this fiber?
0.300
0.225
0.150
0.090
Question 2
In optical fiber communications, what is the standard engineering unit used to express the attenuation coefficient of a signal over a long distance?
decibels per kilometer (dB/km)
decibels per milliwatt (dBm)
nepers per meter (Np/m)
decibels per microvolt (dBμV)
Question 3
A lossless transmission line has an inductance of 250 nH/m and a capacitance of 100 pF/m. What is the characteristic impedance (Z0) of this transmission line?
50 ohms
75 ohms
100 ohms
250 ohms
Question 4
An optical fiber has a core refractive index of 1.48 and a cladding refractive index of 1.46. Calculate the critical angle at the core-cladding interface for total internal reflection.
80.6 degrees
70.5 degrees
9.4 degrees
45.0 degrees
Question 5
A transmission line has a voltage reflection coefficient of 0.2. What is the Voltage Standing Wave Ratio (VSWR) on this transmission line?
1.50
1.20
1.25
2.00

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Additional Information

BSNL JTO Practice Questions - BSNL Junior Telecom Officer (JTO) Exam

This practice set contains 100 questions from the matching question bank and focuses on voltage, circuit, resistor, calculate, and fiber. Work through each question carefully, review the provided solutions, and revisit topics that need more study before your next attempt.

This is an independent study resource intended for practice and review; it is not an official examination or an endorsement by any organization named in the title.

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Frequently Asked Questions

This quiz contains a total of 100 practice questions carefully selected to test your knowledge on this subject.
Yes, you will have exactly 0 minutes to complete the exam. A countdown timer will be visible once you start.
Yes, you can retake this practice test as many times as you need. The questions and options may be randomized on subsequent attempts to ensure comprehensive learning.

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