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Question
The r.m.s. value of alternating current is given by steady (D.C.) current which when flowing through a given circuit for a given time produces
Options:
A .  None of these
B .  The same heat as produced by A.C. when flowing through the same circuit
C .  The less heat than produced by A.C. flowing through the same circuit
D .  The more heat than produced by A.C. when flowing through the same circuit
Answer: Option B

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