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A coil of insulated copper wire is wound...

A coil of insulated copper wire is wound around a piece of soft iron and current is passed in the coil from a battery. What name is given to the device so obtained ? Give one use of the device mentioned by you.

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**Step-by-Step Solution:** 1. **Identify the Components**: The device consists of a coil of insulated copper wire wound around a piece of soft iron. 2. **Understanding the Function**: When current is passed through the coil, it generates a magnetic field due to the flow of electric current. 3. **Name of the Device**: The device formed by this arrangement is called an **electromagnet**. An electromagnet is created when electric current flows through a wire coil, producing a magnetic field. ...
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