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Grade 12Electric Current

Why d.c ammeter & voltmeter shows zero reading when used in a.c. circuit? plz explain in detail............rply soon

Profile image of vishal maurya
14 Years agoGrade 12
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1 Answer

Profile image of Chetan Mandayam Nayakar
ApprovedApproved Tutor Answer14 Years ago

Dear Vishal,

DC voltmeter and ammeter show the average values (including algebraic sign) of voltage and current, which is obviously zero in AC circuit.

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CHETAN MANDAYAM NAYAKAR