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Home Questions BTTW34PGHH
Target Exam

CUET

Subject

Physics

Chapter

Electromagnetic Induction

Question:

A transformer steps up from 110V to 1320V. What is the transformation ratio?

Options:

10

11

12

14

Correct Answer:

12

Explanation:

Transformation ratio =Ns/Np

                              = Es/Ep

                              =1320/110

                              =12

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