A coil of many circular turns of wire wrapped in a shape of a cylinder forms a ______
A
torroid
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B
solenoid
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C
conductor
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D
insulator
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Solution
The correct option is C solenoid Solution: A solenoid is defined as a coil in the shape of a cylinder having many circular turns of insulated copper wire. The pattern of the magnetic field of a solenoid is the same as that of the bar magnet.