Questions
A square conducting loop of side length L carries a current I. The magnetic field at the center of the loop is
detailed solution
Correct option is C
Magnetic field at the centre due to either armB1=μ04π×IL/2[sin45∘+sin45∘]μ04π×22lLField at centre due to the four arms of the squareB=4B1=4×μ04π×22lLi.e.,B ∝ 1/LTalk to our academic expert!
Similar Questions
A small coil of radius r is placed at the center of a large coil of radius R, where R >> r. The two coils are coplanar. The mutual inductance between the coils is proportional to
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