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Questions
State the rule to determine the direction of a magnetic field produced around a straight conductor-carrying current.
Name and state the rule to determine the direction of a magnetic field produced around a current carrying straight conductor.
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Solution 1
- To determine the direction of a magnetic field around a straight conductor, use the Right-hand thumb rule.
- To apply the Right-hand thumb rule to a straight current-carrying conductor, line your thumb with the flow of positive charge.
- Curled fingers on the conductor indicate the direction of the magnetic field. When the thumb aligns with the current, the curled fingers indicate the direction of magnetic field lines around the conductor.
- This rule establishes a link between the current direction and the magnetic field in a straight wire.
Solution 2
The magnetic field direction around a straight conductor carrying current is determined using the right-hand thumb rule. It asserts that if the right hand's thumb represents the direction of current flow, the rest of the curled fingers determine the direction of the magnetic field lines surrounding it.
Notes
Students can refer to the provided solutions based on their preferred marks.
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