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प्रश्न
Explain why core of a transformer is always laminated.
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उत्तर
The core of a transformer is always laminated to reduce the loss of power/energy due to eddy currents.
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संबंधित प्रश्न
The following diagram in Fig.10.42 shows a coil of several turns of copper wire connected to a sensitive centre zero galvanometer G near a magnet NS. The coil is free to move in the direction shown in the diagram.

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(ii) How would the observation be altered if (a) the coil has twice as many turns (b the coil was made to move three times as fast?
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