A conducting rod moves on two frictionless, parallel rails in a region where a uniform magnetic field of B exists. It has a mass of m and length of L It is connected to a resistance of R . The rod is...


A conducting rod moves on two frictionless, parallel rails in a region where a uniform magnetic field of<br>B<br>exists. It has a mass of<br>m<br>and length of<br>L<br>It is connected to a resistance of<br>R<br>. The rod is given an initial velocity,<br>at<br>t=0<br>Then its velocity at any time is given by<br>v=v;e<br>. According to this expression, the acceleration of the rod is in opposite direction and depends on time. Therefore, which one or ones are true<br>about its initial acceleration in magnitude?<br>I) it increases if<br>B<br>increases<br>II) it increases if<br>R<br>increases<br>III) it increases if<br>m<br>increases<br>O A) II<br>O B) II<br>C) I and II<br>D)<br>Il and III<br>E) I<br>

Extracted text: A conducting rod moves on two frictionless, parallel rails in a region where a uniform magnetic field of B exists. It has a mass of m and length of L It is connected to a resistance of R . The rod is given an initial velocity, at t=0 Then its velocity at any time is given by v=v;e . According to this expression, the acceleration of the rod is in opposite direction and depends on time. Therefore, which one or ones are true about its initial acceleration in magnitude? I) it increases if B increases II) it increases if R increases III) it increases if m increases O A) II O B) II C) I and II D) Il and III E) I

Jun 11, 2022
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