Math, asked by sakethreddysaip2alj8, 7 months ago

the ratio of number of boys and girls is 5:2.if there are 350 students in the school.find the number of boys

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Answered by foreverbesties1

1

Since P(power)= Vsquare/R.

Here we have V=220volt and P= 1000watt.

=>1000=220×220/R

=>R=220×220/1000

=>R=48.4ohm

Thus resistance of heating filament will be 48.4 ohm. . ..

mark me as a brainlist dude.. .

Answered by genius00737

3

Step-by-step explanation:

HOPE YOU UNDERSTAND IT

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