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Examveda

A transformer has a 1:6 turns ratio and a secondary coil load resistance of 470 Ω. The load resistance as seen by the source is

A. 1.3 Ω

B. 7.8 Ω

C. 78 Ω

D. 13 Ω

Answer: Option D

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Comments ( 10 )

  1. Rosemond Acheampong
    Rosemond Acheampong :
    10 months ago

    Ŕ2= R2/K^2
    Ŕ2= 470/6^2
    =470/36
    Ans=13

  2. Sanjay Kumar
    Sanjay Kumar :
    1 year ago

    Re1=R2/k2
    =470/6^2
    = 470/36
    =13 ohm

  3. Shalinee Badoni
    Shalinee Badoni :
    1 year ago

    470/36 =13

  4. SR ENTERTAINMENT
    SR ENTERTAINMENT :
    2 years ago

    How it is possible

  5. Priya Myla
    Priya Myla :
    2 years ago

    How to do

  6. Ron Crawford
    Ron Crawford :
    3 years ago

    R/Kto the power2=470/36=13

  7. ABIR GARAI
    ABIR GARAI :
    3 years ago

    Solution:
    470 ÷ 6² = 470 ÷ 36= 13 Ans.

  8. Malik Muzammal
    Malik Muzammal :
    3 years ago

    How?

  9. Shivam Patil
    Shivam Patil :
    3 years ago

    Please give a solution of total mathamatil questions

  10. Shivam Patil
    Shivam Patil :
    3 years ago

    Give a solution

Related Questions on Transformers

A good voltage regulation of a transformer means

A. output voltage fluctuation from no load to full load is least

B. output voltage fluctuation with power factor is least

C. difference between primary and secondary voltage is least

D. difference between primary and secondary voltage is maximum