For the given circuit, comment on the type of transformer used :

Question:

For the given circuit, comment on the type of transformer used :

  1. Auxilliary transformer

  2. Auto transformer

  3. Step-up transformer

  4. Step down transformer


Correct Option: , 3

Solution:

(3)

$V_{S}=\frac{P}{i}=\frac{60}{0.11}=545.45$

$V_{P}=220$

$V_{S}>V_{P}$

$\Rightarrow$ Step up transformer

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