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question no. 8
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R1/r + R2/r + R3/r = r
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the equivalent resistance for parallel combination IS
1/equivalent resistance = 1/R1 + 1/R2 + 1/R3
AMMETER will be connected in series and voltmeter will be connected in parallel
1/equivalent resistance = 1/R1 + 1/R2 + 1/R3
AMMETER will be connected in series and voltmeter will be connected in parallel
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