Physics, asked by akansha5194, 1 year ago

a resistance of 40ohm's and 60ohm's are arrenged in parallel further accross 224 supply find the heat in jules produced by discombination half combination.

plzzz ans me!!!....

Anonymous: Mistake in question.. time nt given?
akansha5194: i posted it again plzzz ans
Anonymous: time kya diya h... 1/2 hour
Anonymous: ??
akansha5194: hmmm

Answers

Answered by Anonymous
1
hey mate! !

find R equivalent for parallel. .

1/R =1/40 + 1/60

R = 24

now, apply the formula

H= V^2/R *T

convert hour in sec


H = 220*220/24 *1/2*60*60

H = 3.6 x 10^6 joule
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