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9 Aug 2022, Tue
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Priyanka
one year ago Grade -10 (SEE) Physics Electricity, Transformer

Calculate turns on secondary coil if step up transformer has 220 voltage, 100 turns primary coil. Secondary voltage is 2200 V.

Calculate turns on secondary coil if step up transformer has 220 voltage, 100 turns primary coil. Secondary voltage is 2200 V.

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1 Answer

Priyanka
one year ago Answer Link

Given, Vp = 220 V

Vs = 2200 V

Np = 100 

Ns = ?

Using formula, 

\(\frac{Vp}{Vs}=\frac{Np}{Ns}\)

\(\frac{220}{2200}=\frac{100}{Ns}\)

Ns = 22000/ 22

Ns = 1000 turns. 

A transformer that increases the voltage from primary to secondary (more secondary winding turns than primary winding turns) is called a step-up transformer. ... As a step-down unit, this transformer converts high-voltage, low-current power into low-voltage, high-current power.

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