

MCQOPTIONS
Saved Bookmarks
1. |
As shown in the figure a metal rod makes contact and complete the circuit. The circuit is perpendicular to the magnetic field with \[B=0.15\,tesla.\] If the resistance is \[3\,\Omega \], force needed to move the rod as indicated with a constant speed of \[2m/sec\] is [MP PET 1994] |
A. | \[3.75\times {{10}^{-3}}\]N |
B. | \[3.75\times {{10}^{-2}}\,N\] |
C. | Nature of the material |
D. | \[3.75\times {{10}^{-4}}N\] |
Answer» B. \[3.75\times {{10}^{-2}}\,N\] | |