1.

For step-down transformer value of transformation ratio is ……….

Answer»

`R gt 1`
`r LT 1`
`r =1`
`r=0`

Solution :Transformation ratio `r=N_2/N_1` and for step-downtransformer `N_2 lt N_1`
`THEREFORE N_2/N_1 lt 1 "" therefore r lt 1`


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