Choose the incorrect statement from the following regarding magnetic lines of force:

The direction of magnetic field at a point is taken to be the direction in which the north pole of a magnetic compass needle points when placed at that point.

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Magnetic field lines are closed curves.

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If magnetic field lines are parallel and equidistant, they represent zero field strength.

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Relative strength of magnetic field is shown by the degree of closeness of the field lines.

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Solution

The correct option is C
If magnetic field lines are parallel and equidistant, they represent zero field strength.

If magnetic field lines are parallel and equidistant, they represent non-zero uniform field strength.

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Similar questions

Q. Question 1
Choose the incorrect statement from the following regarding magnetic lines of field.

(a) The direction of magnetic field at a point is taken to be the direction in which the north pole of 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

Q. What are magnetic field lines? How is the direction of magnetic field at a point in a magnetic field determined using field lines?

Complete the following sentences :

(a) If the field lines in a magnetic field are parallel and equidistant, the magnetic field is .............

(b) At a neutral point, the resultant magnetic field is ..........

(c) The neutral points of a bar magnet kept with its north pole pointing towards geographic north are located .......................

Q. Assertion: Magnetic field lines diverge at the ends of a current carrying solenoid.
Reason: Closeness of magnetic field lines indicate the magnetic strength at a point.

Which of the following statement concerning magnetic field is correct?

(1) The part of a bar magnet, at which the magnetic field is the strongest, is called its pole.

(2) A magnetic field is never created by a compass needle.

(3) Magnetic lines of forces can intersect each other.

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Choose the incorrect statement from the following regarding magnetic lines of force:

The correct option is C If magnetic field lines are parallel and equidistant, they represent zero field strength. If magnetic field lines are parallel and equidistant, they represent non-zero uniform field strength.

The correct option is C
If magnetic field lines are parallel and equidistant, they represent zero field strength.

If magnetic field lines are parallel and equidistant, they represent non-zero uniform field strength.