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Transformers Are Usually Designed So that Their Efficiency is as Close to 100% as Possible. Describe Two Features in Transformer Design Which Help to Achieve High Efficiency?

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Question

Transformers are usually designed so that their efficiency is as close to 100% as possible. Describe two features in transformer design which help to achieve high efficiency?
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Solution

Features which provide greater efficiency to a transformer are:
(i) The core of the transformer is laminated which prevents the formation of eddy currents.
(ii) A closed soft-iron core is used which reduces the magnetic field link loss and hysteresis loss.

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Chapter 4: Electricity and Magnetism - Exercise 9 [Page 217]

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Frank Physics Part 2 [English] Class 10 ICSE
Chapter 4 Electricity and Magnetism
Exercise 9 | Q 4 | Page 217

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