Physics, asked by Chandumuramalla6052, 1 year ago

What will be the effect of increase in the number in turns in the coil wrapped around a magnetic compass in fig .14.4 of th book?

Answers

Answered by janmayjaisolanki78
0
Theory 
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In a piece of iron there are millions of tiny ‘atomic magnets’, they 
are called this because in each atomic magnet there is a North and a 
South Pole. In the piece of iron these tiny atomic magnets line up 
with each other in small groups, when they do this they become 
domains. In a piece of iron, that is unmagnetised, the domains will 
all point in different directions, see diagram 1 below, the domains 
are shown by small arrows, the arrowhead indicates the North Pole. As 
all the domains are pointing in different directions there will be no 
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