1.

For a given voltage V, if resistance is changed from R to (R/n) power consumed changes from P to

Answer»

`NP`
`(P)/(n )`
`n^2 p`
`(P )/(n^2)`

Solution :`P=(V^2)/(R ), ` whenR isresistanceof thelamp
Rate occonsumption whenused at
`200 V =( (200)^2 xx60 W )/( (200)^2) LT 60`


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