plz solve the problem 17
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1
Dude first find R for both the cases. Then u know V and R for both lamps. U use the ohm's law to find I in both cases. Whatever value u get for both cases,just divide them both to get the ratio.
ttchamp:
2:1 is incorrect answer;correct answer is 50:27
how
u have taken 110w but in question it is 100 w
i made a mistake
Oh sorry
it's ok
:)
but thx for help me
Ur welcome
correct answer is 5:3
Answered by
0
First find R from P=IV
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how that 0.5/ 0.25 has came
from I=p/v
it should be 0.5 /0.27
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