BICSI
RCDD-001 · Question #323
Two sinusoidal signals have the same amplitude (A) and the same frequency (f). They differ in phase by 180 degrees. If these two signals are added together, the result is a sinusoidal signal having…
The correct answer is A. Zero. See the full explanation below for the reasoning.
Question
Two sinusoidal signals have the same amplitude (A) and the same frequency (f). They differ in phase by 180 degrees. If these two signals are added together, the result is a sinusoidal signal having an amplitude of:
Options
- AZero
- B0.707A and a frequency of f
- CA and a frequency of 2f
- D2A and a frequency of f
- E2A and a frequency of 2f
How the community answered
(34 responses)- A76% (26)
- B12% (4)
- C3% (1)
- D3% (1)
- E6% (2)
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