(a) What name is given to a cylindrical coil of diameter less than its – InterviewSolution

1.	(a) What name is given to a cylindrical coil of diameter less than its length ? (b) If a piece of soft iron is placed inside the coil mentioned in part (a) and current is passed in the coil from a battery, what name is then given to the device so obtained ? (c) Give one use of the device mentioned in part (b).
Answer» (a) What name is given to a cylindrical coil of diameter less than its length ? (b) If a piece of soft iron is placed inside the coil mentioned in part (a) and current is passed in the coil from a battery, what name is then given to the device so obtained ? (c) Give one use of the device mentioned in part (b).

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