Final answer:
The RMS value is crucial for finding the average DC value in a full-wave bridge rectifier.
Explanation:
Root-mean-square (RMS) value is used to determine the average DC value before filtering in a full-wave bridge rectifier
AC voltage varies sinusoidally, resulting in a zero average voltage if calculated directly as a straight average.
The RMS value overcomes this issue by squaring the input waveform, finding its average, and then taking the square root to obtain the equivalent DC value.
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