ICSE Class 10 Physics 2018 Solved Paper
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The diagram shows a coil wound around a U A B
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Question : 71
Total: 78
What will be the polarities at A B
Solution:
If the direction of current is reversed in the circuit then -
The polarity at A will be North Pole.
The polarity at B will be South Pole.
The polarity at A will be North Pole.
The polarity at B will be South Pole.
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