Question

two identical resistors of 12 ohm each are connected to a battery of three volt calculate the ratio of the power consumed by the resulting patients with minimum resistance and maximum resistance​

Answer 1

1:4 bro

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Answer 2

Answer:

4:1

Explanation:

At maximum resistance the resistors should be connected in series whereas at minimum resistance the resistors should be connected in parallel.

Effective resistance when resistors are connected in :

1) Series = R1 + R2

2) parallel = 1/R1 + 1/R2

Power = V²/R

Series :

V = 3

R(E) = 12 + 12 = 24

P = 3²/24 = 0.375

Parallel :

1/12 + 1/12 = 2/12 = 1/6

R(E) = 6

P = 3²/6 = 1.5

Power at minimum resistance : maximum resistance.

1.5 : 0.375

= 4 : 1