Physics, asked by swasthik861, 1 year ago

Two bulbs are marked 6ow,220v and 60w,110v respectively.Find the ratio of their resistanve

Answers

Answered by Anonymous

0

P = V^2/R
R₁= V/P

R₁= V'₁ /P

R₁/R₂ = V/V'
R₁/R₂ = 220×220/110×110

R₁/R₂ = 4/1

R₁ : R₂ = 4:1

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