Consider a circular loop of wire lying in the plane of the table. Let ...
For the downward direction of the current, the direction of the magnetic field will be as if emerging from the table outside the loop and merging the table inside the loop. Similarly, for current flowing in the upward direction, the direction of the magnetic field will as if they are emerging from the table outside the loop and merging to the table inside the loop as shown in the figure
Consider a circular loop of wire lying in the plane of the table. Let ...
Magnetic Field Inside the Loop
When a current flows through a loop of wire, a magnetic field is created around the wire. The direction of the magnetic field can be determined using the right-hand rule.
1. Thumb Rule: If you point your right thumb in the direction of the current flow (clockwise in this case), your fingers will curl in the direction of the magnetic field.
2. Direction of the Magnetic Field: Inside the loop, the magnetic field lines will form concentric circles around the wire. Since the current flows clockwise, the magnetic field inside the loop will also be in the clockwise direction.
Magnetic Field Outside the Loop
The direction of the magnetic field outside the loop can also be determined using the right-hand rule.
1. Thumb Rule: If you point your right thumb in the direction of the current flow (clockwise in this case), your fingers will curl in the direction of the magnetic field.
2. Direction of the Magnetic Field: Outside the loop, the magnetic field lines will also form concentric circles around the wire. However, since the current flows clockwise, the magnetic field outside the loop will be in the counterclockwise direction.
Summary
- The magnetic field inside the loop is in the clockwise direction.
- The magnetic field outside the loop is in the counterclockwise direction.
- This can be determined using the right-hand rule, where the thumb points in the direction of the current flow and the fingers curl in the direction of the magnetic field.
Overall, the circular loop of wire with a clockwise current flow creates a magnetic field with concentric circles both inside and outside the loop. The direction of the magnetic field can be determined using the right-hand rule, where the thumb points in the direction of the current flow and the fingers curl in the direction of the magnetic field.
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