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CBSE Class 10 Answered

a) What is meant by a magnetic field? b) How is the direction of magnetic field at a point determined? c) What is the direction of magnetic field at the centre of a current carrying circular loop?
Asked by Topperlearning User | 30 Oct, 2014, 04:35: PM
answered-by-expert Expert Answer

a) Magnetic field: The space surrounding a magnet upto which it shows its magnetic effect is known as the magnetic field of the magnet.

 
b) The direction of magnetic field at a point is determined by placing small magnetic compass at that point. The direction of North Pole of compass needle gives the direction of magnetic field at a point.
 
c) The magnetic field at the centre of a current carrying circular loop is a straight line whose ‘N" pole is towards that side of circular loop, where current leaves the circular loop.
Answered by | 30 Oct, 2014, 06:35: PM
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