Derive expression for equivalent resistance of a parallel combination of resistance
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R=v/I
Rp= 1/r1 +1/r2.....
Rp= 1/r1 +1/r2.....
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Explanation:
Answer. (i) Total potential difference across a combination of resistors in series is equal to the sum of potential difference across the individual resistors. Hence , a fuse of rating 5A can be used because it can bear the current
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