1.

Masses of three wires are in the ratio 1:3:5. Their lengths are in the ratio 5:3:1. When they are connected in series to an external source, the amounts of heats produced in them are in the ratio

Answer»

`125: 15:1`
`1:15: 125`
`5:3:1`
`1:3:5`

ANSWER :A


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