Question

32. (1) AB is a current-carrying conductor in the plane of
the paper as shown in figure. What are the directions
of magnetic fields produced by it at points P and Q?
Given > To, where will the strength of the magnetic
field be larger?
(1) (a) How is the direction of magnetic field at a point
determined?
(b) What is the direction of magnetic field at the centre of a current-carrying circular
loop?
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Answer 1

Answer:

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