Question

The resistances of two bulbs are in ratio 2:3 .The bulbs are connected in series across a battery. Find the ratio of powers in the bulbs.​

Answer 1

Answer:

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@ AMINUL HOQUE

Answer 2

Answer :

Ratio of resistances of two bulbs = 2:3

Both are connected in series.

We have to find the ratio of powers in the bulbs$.$

⧪ We know that, current flow through each conductor in series connection remains same. So, we have to use that formula of power which shows relation between current and resistance.

• P = I² × R

For series connection; P ∝ R

⭆ P₁/P₂ = R₁/R₂

⭆ P₁/P₂ = 2/3

⭆ P₁ : P₂ = 2 : 3

Cheers!