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A step-down transformer increases the in...

A step-down transformer increases the input current 4 A to 24 A at the secondary. If the number of turns in the primary coil is 330, the number of turns in the secondary coil is

A

60

B

50

C

65

D

45

Text Solution

Verified by Experts

By step-down transformer,
It converts a high voltage of low current into a low voltage of high current.
`(N_(S))/(N _(P)) = (I_(P))/(I _(S))`
`(N _(S))/( 330) = (4)/(24)`
`N _(S) =( 4 xx 330)/(24) = (330)/(6) = 55`
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