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Physics - Current Electricity Question with Solution | TestHub

PhysicsCurrent ElectricityCircuit AnalysisMedium2 minPYQ_2008

PhysicsMediumsingle choice

A transformer rated at $10 kW$ is used to connect a $5 kV$ transmission line to a $240 V$ circuit. The ratio of turns in the windings of the transformer is

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Solution:

In a transformer, the ratio of turns in the windings is given by $∴ \frac{N _{P}}{N _{S}} = \frac{V _{P}}{V _{S}} \frac{N _{P}}{N _{S}} = \frac{5 kV}{240 V} = \frac{5000 V}{240 V} = 20.8$

Stream:VITEEESubject:PhysicsTopic:Current ElectricitySubtopic:Circuit Analysis

⏱ 2mℹ️ Source: PYQ_2008

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