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In a Uniform Magnetic Field, the Field Lines Are: - Physics

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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.

MCQ
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उत्तर

In a uniform magnetic field, the field lines are : Parallel equidistant straight lines 

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पाठ 10: Magnetism - Exercise 10 (A) [पृष्ठ २०८]

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सेलिना Concise Physics [English] Class 9 ICSE
पाठ 10 Magnetism
Exercise 10 (A) | Q 2 | पृष्ठ २०८

संबंधित प्रश्‍न

What is a magnetic field? How can the direction of magnetic field lines at a place be determined?


The figure given below shows the magnetic field between two magnets: 

 

Copy the diagram and label theother poles of the magnets.

 Which is the weaker magnet?


In the straight wire A, current is flowing in the vertically downwards direction whereas in wire B the current is flowing in the vertically upward direction. What is the direction of magnetic field:

(a) in wire A?
(b) in wire B?
Name the rule which you have used to get the answer.


Figure. shows a bar magnet placed on the table top with its north pole pointing towards south. The arrow shows the north-south direction. There are no other magnets or magnetic materials nearby.

Indicate by crosses, the likely positions of the neutral points.


What is the use of a magnetic compass?

Complete the following diagram of magnets to show the lines of force.


If the key in the arrangement is taken out (the circuit is made open) and magnetic field lines are drawn over the horizontal plane ABCD, the lines are


______ is the number of magnetic field lines passing through a given area.


"Magnetic field is a physical quantity that has both direction and magnitude." How can this statement be proved with the help of magnetic field lines of a bar magnet?


A closely wounded circular coil of radius 5 cm produces a magnetic field of 37.68 × 10-4 T at its center. The current through the coil is ______ A. [Given, number of turns in the coil is 100 and π = 3.14)


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