Question

44. A voltage of 10 cos ot+5 cos 2 ot is viewed on
a spectrum analyzer. This will be seen as

a) Two waveforms of o and 20

b) A single waveform similar to a rectangular pulse

c) A spike of 15 volts at o and 20

d) Two spikes of 10 volts at a and 5 volts at 20​

Answer 1

Option no. D is a correct answer of your question.
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