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Define A.C , its peak value and its rms value . Derive relation between them after evaluating the expression for rms value.



AC ( Alternative Current) occurs when charge carriers in a conductor or semiconductor periodically reverse their direction of movement. It is commonly used as household utilities and business.

RMS ( Root Means Square) value : The potential difference and current are varying continuously an average value for potential difference and current.

peak value : It is defined as the highest or lowest value of a certain electrical wave.
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The EMF and AC are expressed in terms of rms values. rms value means Root means square.
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