A conductor rod AB moves parallel to X-axis in a uniform magnetic field, pointing in the positive X-direction. The end A of the rod gets
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a
positively charged
b
negatively charged
c
neutral
d
first positively charged and then negatively charged.
answer is A.
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Detailed Solution
According to right hand palm rule, the Lorentz force on free electrons in the conductor will be directed towards end B. Hence, the end A gets positively charged.