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A : The ammeters and volmetrs used for measuring alternating current and voltages have non-uniform divisons on their scales. R : The instruments used for measuring alternating current and voltage are based on heating effect of current.

Answer»

If both ASSERTION & Reason are TRUE and the reason is the correct EXPLANATION of the assertion, then MARK (1)
If both Assertion & Reason are true but the reason is not the correct explanation of the assertion, then mark (2)
IfAssertion is true statement but Reason is false, then mark (3)
If both Assertion and Reason are false statement, then mark (4)

Answer :A


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