Questions
Fig shows L-shaped rod rotating about its end O
in a plane perpendicular to the magnetic field B. The part OA of the rod is non-conducting while the part AB is conducting. The induced e.m.f. between the ends A and B is
detailed solution
Correct option is A
Consider a small element dx as shown in fig.(22). Here (dx x v) ll B∴eAB=∫0L [dxωrsinθ]B=ωB∫0L xdx [∵rsinθ=x]=12ωBL2Talk to our academic expert!
Similar Questions
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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