Question

a resistor of resistance R is connected in turn across two batteries of voltage V and 2V . what is the ratio of rate of the heat produced in the two cases​

Answer 1

Explanation:

P=I

2

R=

R

V

2

.

in parallel combination we know that voltage across each element is same, so for above relation voltage is same for both hence power will directly depend upon resistance value ∴

P

2

P

1

=

1

2