Question

there are two conducting wires of same length,same thickness and same material are connected in series as well as in parallel through same voltage.calculate the ratio of heat produced in two cases.​

Answer 1

Step-by-step explanation:

Heat produced in the circuit is inversely proportional to the resistance R.

Let RS be the equivalent resistances of the wires if connected in series and RP be the equivalent resistances of the wires if connected in parallel

Then RS =R+R=2R

And1/ RP = 1/R +1/R

1/ RP = 2/R

Or RP =R/2

Now the ratio of heat produced is given by

= 1/4

1:4

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