Question

If a current through a resistance is increased by 100% simultaneously reducing resistance value to 25 % , the new power dissipated will be

Answer 1

Answer:

Explanation:

If a current through a resistance is increased by 100% simultaneously reducing resistance value to 25 % , the new power dissipated will be

Answer 2

Answer:no change

Explanation:

I new= 2 i old

R new =1/4 (25%of) r old

P new= i^2r

= 4 i^2(old) × 1/4 r (old)

=i^2r(old)

= p old