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प्रश्न
With the help of a diagram, derive the formula for the resultant resistance of three resistors connected in series.
व्युत्पत्ती
आकृती
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उत्तर
We know that,
V = V1 + V2 + V3
We know that,
R = `V/I`
V1 = IR1
V2 = IR2
V3 = IR3
Using the above equations,
IR = IR1 + IR2 + IR3
R = R1 + R2 + R3
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