Question

two resistors 40 ohms and 10 ohms are connected in parallel to an electric cell then what will be the ratio of currents passing through them​

Answer 1

Answer:

1:4

Explanation:

by using ohm:s law

V=IR

as they are in parallel v is same .

hence i is inversely proprtional to R

Answer 2

Given :  two resistors 40 ohms and 10 ohms are connected in parallel to an electric cell

To find : what will be the ratio of currents passing through them​

Solution:

R₁ = 40 Ω

R₂ = 10 Ω

resistors are connected in parallel

Hence potential across both resistors would be same

Let say V is the potential difference

I = V/R

I₁ = V/R₁ = V/40

I₂= V/R₂ = V/10

=> I₁ / I₂  = (V/40) / (V/10)

=>  I₁ / I₂  =  10/40

=> I₁ / I₂  =  1/4

Ratio of currents passing through them​ is 1: 4

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