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Properties of Magnetic Field Lines

The diagram s...

Question

The diagram shows magnetic field lines in a magnetic field. A, B, and C are the three points in the field. Where will the field strength be maximum?

A

C

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B

B

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C

A

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D

Same at all the points.

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Solution

The correct option is A C
The magnetic field strength depends on the number of magnetic field lines passing through a particular point or area. At C, since the magnetic field lines are closer and more in number, it will have the maximum field strength.

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Similar questions

Q. Figure shows the magnetic field lines in a magnetic field. A, B. and C are three points in this field. At what point is the magnetic field strong ?

Q. 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.

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.

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. The diagram above shows a rectangular wire loop moving at a constant velocity in the direction of the red arrow into a uniform magnetic field. The magnetic field is represented by the blue dots
Which show that the magnetic field points out of the page.
As the loop continues to move into the magnetic field what happens in the wire loop?

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