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MMLU-Pro / 12221 / Find the ratio of reflected power to incident power, for a 75-ohm load on a…

Problem

Answer published by the source. Consult the official source to check your work against its answer.

question

Find the ratio of reflected power to incident power, for a 75-ohm load on a 50-ohm line. Suppose a 50-ohm load is used instead of the 75-ohm load, what does it signify for an incident power of 50W?

category

engineering

options

  1. 2 percent of the power is reflected; source supplies 49W power to the load with 50 ohm
  2. 11 percent of the power is reflected; source supplies 44.5W power to the load with 50 ohm
  3. 1 percent of the power is reflected; source supplies 49.5W power to the load with 50 ohm
  4. 6 percent of the power is reflected; source supplies 44W power to the load with 50 ohm
  5. 7 percent of the power is reflected; source supplies 46.5W power to the load with 50 ohm
  6. 8 percent of the power is reflected; source supplies 46W power to the load with 50 ohm
  7. 5 percent of the power is reflected; source supplies 45W power to the load with 50 ohm
  8. 4 percent of the power is reflected; source supplies all the 50W power to the load with 50 ohm
  9. 3 percent of the power is reflected; source supplies 47W power to the load with 50 ohm
  10. 9 percent of the power is reflected; source supplies 45.5W power to the load with 50 ohm

src

stemez-Electromagnetics

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Source and history

upstream_id / Original problem ID
12221
task_id
5ffccb3a-84a4-5146-897c-83522d55f2a7
task_key
default--test--12221
task_revision_id
1
config / split
default / test

Official source

initial import