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प्रश्न
How is the magnetic field due to a straight current carrying wire affected if current in wire is decreased?
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उत्तर १
On decreasing the current the magnetic field lines become rarer.
उत्तर २
Iron filings are still arranged in a specific pattern, but they are compressed to a smaller space.
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संबंधित प्रश्न
Draw a diagram showing the directions of three magnetic field lines due to a straight wire carrying current. Also show the direction of current in the wire.
How is the magnetic field due to a straight current carrying wire affected if current in wire is reversed?
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.
Describe a set up for plotting the magnetic lines of force in: (i) A straight wire, (ii) A circular coil and (iii) A straight solenoid.
Which of the following statement is not correct about the magnetic field?
Magnetic lines of force inside current carrying solenoid are ____________.
AB is a current carrying conductor in the plane of the paper as shown in Figure. What are the directions of magnetic fields produced by it at points P and Q? Given r1 > r2, where will the strength of the magnetic field be larger?
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
