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प्रश्न
How is the magnetic field due to a straight current carrying wire affected if current in wire is reversed?
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उत्तर १
The direction of magnetic field lines will get reversed.
उत्तर २
Although the iron filing pattern remains unchanged when the wire's current flow is reversed, the compass needle's direction of deflection is changed.

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संबंधित प्रश्न
On reversing the direction of the current in a wire, the magnetic field produced by it gets ______.
How is the magnetic field due to a straight current carrying wire affected if current in wire is decreased?
What is the nature of the lines of force of the magnetic field due to a straight current carrying wire?
In the diagram XY is a straight conductor carrying current in the direction marked by the arrow. The conductor is held vertical by passing it through a horizontal cardboard sheet.

Draw three magnetic lines of force on the board and mark the direction of magnetic field in your diagram. State two factors on which magnitude of magnetic field at a point, depends.
Which of the following statement is not correct about the magnetic field?
Magnetic lines of force inside current carrying solenoid are ____________.
It is established that an electric current through a metallic conductor produces a magnetic field around it. Is there a similar magnetic field produced around a thin beam of moving
- alpha particles,
- neutrons? Justify your answer.
With the help of a labelled circuit diagram illustrate the pattern of field lines of the magnetic field around a current carrying straight long conducting wire. How is the right hand thumb rule useful to find direction of magnetic field associated with a current carrying conductor?
These consist of two statements – Assertion (A) and Reason (R). Answer these questions selecting the appropriate option given below:
Assertion: On freely suspending a current – carrying solenoid, it comes to rest in Geographical N-S direction.
Reason: One end of current carrying straight solenoid behaves as a North pole and the other end as a South pole, just like a bar magnet.
When is the force experienced by a current-carrying straight conductor placed in a uniform magnetic field.
- Maximum
- Minimum
