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In a transformer, the number of turns in primary coil and secondary coil are 5 and 4 respectively. If 240 V is applied on the primary coil, then the ratio of current in primary and secondary coil is
  • a)
    4 : 5
  • b)
    5 : 4
  • c)
    5 : 9
  • d)
    9 : 5
Correct answer is option 'A'. Can you explain this answer?
Most Upvoted Answer
In a transformer, the number of turns in primary coil and secondary c...
Assign the number which have 4 different factors and 3 of them prime numbers
Free Test
Community Answer
In a transformer, the number of turns in primary coil and secondary c...
 We know that 
Ns / Np =  Is / Ip , where p represents primary and s ,secondary coil
    Ip / Is = 4 : 5
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In a transformer, the number of turns in primary coil and secondary coil are 5 and 4 respectively. If 240 V is applied on the primary coil, then the ratio of current in primary and secondary coil isa)4 : 5b)5 : 4c)5 : 9d)9 : 5Correct answer is option 'A'. Can you explain this answer?
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