Magnetic Field
Trending Questions
Q. The maximum electric field at a point on the axis of a uniformly charged ring is E. At how many points on the axis will the magnitude of electric field be E/2
Q.
_________is the pattern of magnetic field around a straight current carrying conductor.
Parallel lines
Emerging in all direction from the conductor
Concentric circles
Similar to pattern found in bar magnet
Q.
In ancient times, sailors used to find direction by suspending a piece of______.
None of these
Bar magnet
Magnetic compass
Electromagnet
Q. The magnitude ofB from a conductor carrying 35A, at a perpendicular distance of 20cm from it, in tesla is
Q. Magnet A is floating in air as shown due to the magnetic force of 10 N exerted on it by magnet B. Which force is balancing this magnetic force in order to keep the magnet A at rest?
- Gravitational force of 10 N
- Magnetic force of 10 N
- Magnetic force of 20 N
- Gravitational force of 0 N
Q. What is artificial magnet? Give three examples.
Q.
Which of the following natural phenomenon can cause the formation of a permanent magnet from an iron ore?
Thunder
Light
None of the above
Lightning
Q.
Which of the following is a unit of magnetic field intensity?
Hertz
Tesla
Ohms
Newton
Q.
When a freely suspended magnetic needle comes to rest it points in:
east-west direction
north-east direction
north-south direction
north-west direction
Q. What is artificial magnet? Give three examples.
Q. State three characteristics of magnetic field set up around a conductor carrying current?
