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‘X’ is a rectangular coil consisting of a large number of turns of copper wire wound over a soft iron core in an a.c. generator. Identify X.

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‘X’ is a rectangular coil consisting of a large number of turns of copper wire wound over a soft iron core in an a.c. generator. Identify X.

(a) Slip ring

(b) Armature

(c) Copper brushes

(d) Field magnet

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This intriguing question originated from AC Generator in portion Alternating Current of Physics – Class 12

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Right choice is (b) Armature

Best explanation: A rectangular coil consisting of a large number of turns of copper-wound over a soft iron core is called the armature. The soft iron core is used to increase the magnetic flux.

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