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Chetan suryawanshi Asked a Question
June 2, 2020 8:53 pmpts 30 pts
or, each Example: If each arms of delta network is scaled by a factor of K, then by what factor arms of star network will be scaled. (B) (D) K K (A) (C) 1/K 1/K2
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  • Abhishek singh Best Answer
    I have circled the "if". you can ignore further calculations. it's just the demonstration of result.
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    Abhishek singh
    see the attached.
  • Chetan suryawanshi
    this solution....i can't understand
    Likes(1) Reply(1)
    Abhishek singh
    see my solution.
  • Abhishek singh
    here is the explanation. each side of star is also scaled by k. see the expression of "R12", In its expression, if you multiply each resistance in RHS by "k", then k^2 will come ou...
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    Abhishek singh
    do ask doubts if any!
  • Chetan suryawanshi
    sir i can't understand this solution........and ans is B. k
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    Abhishek singh
    remember the formula for conversion. it will help you a lot in exam.
  • Vaishnavi rajora
    1/k
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  • Abhishek singh
    Option C is correct. each side of star is also scaled by "k"
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    Abhishek singh
    I write option C by mistake. it's option B. see the other comments by me