A sliding wire of length 0.25 m and having a resistance of \[0.5\Omega – McqOptions

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1.	A sliding wire of length 0.25 m and having a resistance of \[0.5\Omega \] moves along conducting guiding rails AB and CD with a uniform speed of 4 m/s. A magnetic field of 0.5 T exists normal to the plane of ABCD directed into the page. The guides are short -circuited with resistances of 4 and \[2\,\Omega \] as shown. The current through the sliding wire is:
A.	0.27 A
B.	0.37 A
C.	1.0 A
D.	0.72A
Answer» B. 0.37 A

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