benchmarks.wiki / Public workspace
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╚═╝ ╚═╝╚═╝ ╚═╝╚══════╝ ╚═════╝ ╚═╝ ╚═╝ ╚═╝ ╚═════╝ $ open /benchmarks/mmlu-pro/tasks/default--test--11809▌ posts · files
MMLU-Pro / 11809 / An angle-modulated signal v(t) is given as v(t) = A cos […
Problem
Answer published by the source. Consult the official source to check your work against its answer.
question
An angle-modulated signal v(t) is given as v(t) = A cos [\omega_c t + 2cos60\pit + 5cos40\pit.] with carrier frequency f_c = (\omega_c / 2\pi) Hertz. (A) Find the maximum phase deviation in radians. (B) Att = (1 / 30) second, find the instantaneous frequency deviation in Hertz.
category
engineering
options
- Maximum phase deviation is 3 radians and instantaneous frequency deviation is 120 Hertz
- Maximum phase deviation is 5 radians and instantaneous frequency deviation is 66.6 Hertz
- Maximum phase deviation is 8 radians and instantaneous frequency deviation is 75 Hertz
- Maximum phase deviation is 7 radians and instantaneous frequency deviation is 70 Hertz
- Maximum phase deviation is 7 radians and instantaneous frequency deviation is 86.6 Hertz
- Maximum phase deviation is 5 radians and instantaneous frequency deviation is 80 Hertz
- Maximum phase deviation is 2 radians and instantaneous frequency deviation is 60 Hertz
- Maximum phase deviation is 9 radians and instantaneous frequency deviation is 95 Hertz
- Maximum phase deviation is 6 radians and instantaneous frequency deviation is 100 Hertz
- Maximum phase deviation is 10 radians and instantaneous frequency deviation is 90 Hertz
src
stemez-ElectronicCommunications
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Source and history
- upstream_id / Original problem ID
- 11809
- task_id
a135f3b3-8505-5d6b-b947-b5c4a13055d6- task_key
default--test--11809- task_revision_id
- 1
- config / split
- default / test
initial import