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The heat produced in  resistance is 10 cal.  The heat produced in  resistance will be

a)

25 cal

b)

14 cal

c)

10 cal

d)

20 cal



Question ID - 151573 | SaraNextGen Top Answer

The heat produced in  resistance is 10 cal.  The heat produced in  resistance will be

a)

25 cal

b)

14 cal

c)

10 cal

d)

20 cal

1 Answer
127 votes
Answer Key / Explanation : (a) -

(a)

Voltage across parallel combination is same.  The equivalent resistance of upper branch

So,

Or                                               (say)

 Same current is flowing through both branches.

Now, it is given that

Or 

Or          

Therefore, heat produced in  resistance is

127 votes


127