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State the rule that is used to find the ...

State the rule that is used to find the direction of magnetic field acting at a point near a current carrying straight conductor.

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To find the direction of the magnetic field acting at a point near a current-carrying straight conductor, we can use two primary rules: the Right-Hand Thumb Rule and the Palm Rule. Here’s a step-by-step explanation of each: ### Step 1: Understanding the Right-Hand Thumb Rule 1. **Hold the Conductor**: Take the straight conductor in your right hand. 2. **Position Your Thumb**: Point your right thumb in the direction of the conventional current (from positive to negative). 3. **Curl Your Fingers**: The direction in which your fingers curl around the conductor indicates the direction of the magnetic field lines surrounding the wire. ### Step 2: Understanding the Palm Rule ...
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