Link Budget MCQs

Practice Link Budget MCQs with four options, answers and explanations for focused Electronics & Telecommunication Engineering revision.

Question 1

Antenna & Wave PropagationLink Budget

Using FSPL(dB)=32.44+20log10(fMHz)+20log10(dkm), the free-space path loss at 100 MHz over 10 km is approximately?

Show AnswerHide Answer Report an error

Correct Answer: C. 92.4 dB

Explanation: FSPL=32.44+40+20=92.44 dB.

Reference: Standard antenna and wave propagation: link budget

Question 2

Antenna & Wave PropagationLink Budget

Show AnswerHide Answer Report an error

Correct Answer: B. -50 dBm

Explanation: Pr=40-100+10=-50 dBm.

Reference: Standard antenna and wave propagation: link budget

Question 3

Antenna & Wave PropagationLink Budget

Show AnswerHide Answer Report an error

Correct Answer: A. 1 mW

Explanation: By definition, 0 dBm is 1 milliwatt.

Reference: Standard antenna and wave propagation: link budget

Question 4

Antenna & Wave PropagationLink Budget

Show AnswerHide Answer Report an error

Correct Answer: C. 1 W

Explanation: 30 dBm=10^(30/10) mW=1000 mW=1 W.

Reference: Standard antenna and wave propagation: link budget