A planar loop of wire rotates in a uniform magnetic field. Initially, at t = 0 , the plane of the loop is perpendicular to the magnetic field. If it rotates with a period of 10 s about an axis in its plane then the magnitude of induced emf will be maximum and minimum, respectively at:

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Aicharya · Accepted Answer

&#934; = B &#8594; &#183; A &#160; &#8594; = B A cos &#952; &#160; = B A cos &#969; t e = d &#981; d t &#160; = B A &#969; sin &#969; t When &#969; t = &#960; 2 &#8757; &#981; will be minimum. &#8756; e will be maximum t = &#960; 2 &#960; 5 = 2 . 5 &#160; s When &#969; t = &#960; &#8757; &#981; will be maximum. &#8756; e will be minimum t = &#960; &#960; / 5 = 5 &#160; s

A planar loop of wire rotates in a uniform magnetic field. Initially, at t = 0 , the plane of the loop is…

Solution