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Question: Answered & Verified by Expert
A transformer is having 2100 turns in primary and 4200 turns in secondary. An AC source of 120 V, 10 A is connected to its primary. The secondary voltage and current are
PhysicsAlternating CurrentNEET
Options:
  • A 240 V, 5 A
     
  • B 120 V, 10 A
     
  • C 240 V, 10 A
     
  • D 120 V, 20 A
     
Solution:
1026 Upvotes Verified Answer
The correct answer is: 240 V, 5 A
 
Es=nsnP EP=42002100×120=240 V

is =nsnP iP=21004200×10=5 A

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