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प्रश्न
In a uniform magnetic field, the field lines are:
पर्याय
Curved
Parallel equidistant straight lines
Parallel but non-equispaced straight lines
Nothing can be said.
उत्तर
In a uniform magnetic field, the field lines are : Parallel equidistant straight lines
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संबंधित प्रश्न
What is a magnetic field? How can the direction of magnetic field lines at a place be determined?
Define magnetic field lines. Describe an activity to draw a magnetic field line outside a bar magnet from one pole to another pole.
A strong bar magnet is placed vertically above a horizontal wooden board. The magnetic lines of force will be:
(a) only in horizontal plane around the magnet
(b) only in vertical plane around the magnet
(c) in horizontal as well as in vertical planes around the magnet
(d) in all the planes around the magnet
Which of the following statements is incorrect regarding magnetic field lines?
(a) The direction of magnetic field at a point is taken to be the direction in which the north pole a magnetic compass needle points.
(b) Magnetic field lines are closed curves.
(c) If magnetic field lines are parallel and equidistant, they represent zero field strength.
(d) Relative strength of magnetic field is shown by the degree of closeness of the field lines.
The magnetic field inside a long straight solenoid carrying current ______.
Explain what you understand by magnetic induction. What role does it play in attraction of a piece of iron by a magnet?
Explain the following :
When two pins are hung by their heads from the same pole of a magnet, their pointed ends moves apart.
Sketch four magnetic field lines as obtained in a limited space on a horizontal plane in the earth's magnetic field alone.
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