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all of dis included in AS? dis is so new for memake a power time graph. calculate the avg power. equate it to (I^2 * R) or (V^2/R). this current or voltage will be rms.
if the graph is rectified ac with linear change as it is in nov 2003 p4 q4, then (final+initial)/2
edit: i just chkd the syllabus and its only in A2.....