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Lesson 4, Topic 2
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# Step Up & Step Down transformers

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When the number of turns in the primary coil is less than the number of turns in the secondary coil, it is called a step up transformer i.e.Ns > Np , the secondary voltage is more than the primary voltage

Step Down

The number of turns in the secondary coil is less than the number of turns in the transformer.  $$\frac{N_s}{N_p}$$The secondary voltage is less than the primary voltage (Vp )

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