The transformation ratio of a transformer is 10:1. The current in the primary circuit if the secondary current required is 100 A assuming the transformer be ideal, is

500 A

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200 A

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1000 A

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2000 A

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Solution

The correct option is A 1000 A
Transformation ratio

$= \frac{E_{s}}{E_{p}} = \frac{I_{p}}{I_{s}} = \frac{10}{1}$
So, $I_{p} = 10 I_{s}$
$= 10 (100)$
$= 1000 A$

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The transformation ratio of a transformer is 10:1. The current in the primary circuit if the secondary current required is 100 A assuming the transformer be ideal, is

The correct option is A 1000 ATransformation ratio=EsEp=IpIs=101So, Ip=10Is =10(100) =1000A

The correct option is A 1000 A
Transformation ratio

$= \frac{E_{s}}{E_{p}} = \frac{I_{p}}{I_{s}} = \frac{10}{1}$
So, $I_{p} = 10 I_{s}$
$= 10 (100)$
$= 1000 A$