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Physics - EMI/AC Question with Solution | TestHub

PhysicsEMI/ACTransformerEasy2 minPYQ_2020

PhysicsEasysingle choice

The primary winding of a transformer has $100 t u r n s$ and its secondary winding has $200 turns$ . The primary winding is connected to an AC supply of $120 V$ and the current flowing in it is $10 A$ . The voltage and the current in the secondary winding is

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Solution:

$\frac{N_{s}}{N_{p}} = \frac{V_{s}}{V_{p}} \Rightarrow \frac{200}{100} = \frac{V_{s}}{120} \Rightarrow V_{s} = 240 V$

also $\frac{V_{s}}{V_{p}} = \frac{i_{p}}{i_{s}} \Rightarrow \frac{240}{120} = \frac{10}{i_{s}} \Rightarrow i_{s} = 5 A$

Stream:NTA_ABHYAS_NEETSubject:PhysicsTopic:EMI/ACSubtopic:Transformer

⏱ 2mℹ️ Source: PYQ_2020

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