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aalyn [17]
3 years ago
14

A transformer is intended to decrease the value of the alternating current from 500 amperes to 25 amperes. The primary coil cont

ains 200 turns. Find the necessary number of turns N2 in the secondary coil.
Physics
1 answer:
EastWind [94]3 years ago
5 0

Answer:

The number of turns in secondary coil is 4000

Explanation:

Given:

Current in primary coil I_{P} = 500 A

Current in secondary coil I_{S} = 25 A

Number of turns in primary coil N_{P} = 200

In case of transformer the relation between current and number of turns is given by,

     \frac{N_{S} }{N_{P}  } = \frac{I_{P} }{I_{S} }

For finding number of turns in secondary coil,

     N_{S} = \frac{I_{P} }{I_{S} }  N_{P}

     N_{S} = \frac{500}{25} \times 200

     N_{S} = 4000

Therefore, the number of turns in secondary coil is 4000

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