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Use Biot-Savart law to derive the expres...

Use Biot-Savart law to derive the expression for the magnetic field on the axis of a current carrying circular loop of radius `R`.
Draw the magnetic field lines due to circular wire carrying current `I`.

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To derive the expression for the magnetic field on the axis of a current-carrying circular loop of radius \( R \) using Biot-Savart law, we follow these steps: ### Step-by-Step Solution: 1. **Understanding the Setup**: - Consider a circular loop of radius \( R \) carrying a current \( I \). - Let \( O \) be the center of the loop and \( P \) be a point on the axis of the loop at a distance \( d \) from the center. ...
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