Question

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Answer 1

Answer :-

• For series combination

Total resistance R = R1 + R2 + …………..

So calculating the series resistance in the given combination we get

RS =R+R=2R————-(i)

For parallel combination

Total resistance 1/R = 1/R1 + 1/R2 + …………..

So calculating the parallel resistance in the given combination we get

1/ RP = 1/R +1/R

1/ RP = 2/R

RP =R/2———-(ii)

To find the ratio we will combine equations (i) and (ii) we get

Rp/Rs = (R/2)/2R = 1/4

The ratio of heat produced is 1/4

 

Hence the ratio of the resistances is 1/4

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Answer 2

Answer:

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