When a piece of soft iron is placed inside a current-carrying coil, whose length is much greater than its diameter, the device formed is called

Electromagnetic

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Solenoid

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Motor

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Generator

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Solution

The correct option is A
Electromagnetic

When a piece of soft iron is placed inside a current-carrying coil, whose length is much greater than its diameter, the device can be used as an electromagnet

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Similar questions

(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).

Q. If a soft iron is placed inside the current carrying coil, what is the name given to the device ?

Q. If a piece of soft iron is placed inside the coil

n

number of turns and current is passed in the coil from a battery, what name is then given to the device so obtained ?

Why solenoid is used to magnetise a piece of magnetic materials, like soft iron, when placed inside the coil?

A soft iron bar is introduced inside a current carrying coil. The magnetic field inside the coil:

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When a piece of soft iron is placed inside a current-carrying coil, whose length is much greater than its diameter, the device formed is called

The correct option is A ElectromagneticWhen a piece of soft iron is placed inside a current-carrying coil, whose length is much greater than its diameter, the device can be used as an electromagnet

The correct option is A
Electromagnetic

When a piece of soft iron is placed inside a current-carrying coil, whose length is much greater than its diameter, the device can be used as an electromagnet