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  • For a transformer , which of the following is true ?  Option: 1 <img alt="\phi _{S} \neq \phi _{P}" src="https://learn.careers360.com/

For a transformer , which of the following is true ?

 

Option: 1

\phi _{S} \neq \phi _{P}


Option: 2

\phi _{S} =\frac{ \phi _{P}}{2}


Option: 3

\phi _{P} =\frac{ \phi _{S}}{2}


Option: 4

\phi _{S} = \phi _{P}


Answers (1)

best_answer

As we learnt ,

 

Flux -

The flux per turn of each coil must be same.

\frac{-d\phi _{s}}{dt}= \frac{-d\phi _{P}}{dt}

 

- wherein

\phi _{s}= \phi _{p}

 

 For a transformer , the flux per turn of each coil must be same .

\phi _{S} = \phi _{P}

or \; \frac{-d \phi_{s}}{dt} = \frac{-d \phi_{p}}{dt}

 

Posted by

Nehul

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