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QAIPMT-2009-Ph-2174: NEET 2009 Physics - Class 11 AIPMT-2009-Ph-2174 Solution: A rectangular a square a circular and an elliptical loop all in …

A rectangular a square a circular and an elliptical loop all in the (x-y) plane are moving out of a uniform magnetic field with a constant velocity V⃗=vi^\vec{V} = v\hat{i}. The magnetic field is directed along the negative z axis direction. The induced emf during the passage of these loops out of the field region will not remain constant for The circular and the elliptical loops only the elliptical loop any of the four loops the rectangular circular and elliptical loops

Multiple Choice Options

  • A −2i^−j^+k^- 2\widehat i - \widehat j + \widehat k _ 2 i _ j _ + k
  • B 2i^−j^−2k^2\widehat i - \widehat j - 2\widehat k 2 i _ j _ _ 2 k
  • C −i^+j^+k^- \widehat i + \widehat j + \widehat k _ i + j _ + k
  • D −2i^+2k^- 2\widehat i + 2\widehat k _ 2 i + 2 k

Step-by-Step Verified Solution

The position vector of the centre of mass of two particle system is given by R _ = m 1 R 1 _ + m 2 R 2 _ ( m 1 + m 2 ) = 1 4 [ _ 8 i ^ _ 4 j ^ + 4 k ^ ] = _ 2 i ^ _ j ^ + k ^

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