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Sahay Sir > Question Answers > Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) > A particle having mass m and charge q is released from the origin in a region in which electric field and magnetic field are given by B = −B0J and E−E0K. Find the speed of the particle as a function of its z-coordinate.

A particle having mass m and charge q is released from the origin in a region in which electric field and magnetic field are given by B = −B0J and E−E0K. Find the speed of the particle as a function of its z-coordinate.

A loop of flexible conducting wire of length 0.5 m lies in a magnetic field of 1.0 T perpendicular to the plane of the loop. Show that when a current as shown in Fig. 1.112 is passed through the loop it opens into a circle. Also calculate the tension developed in the wire if the current is 1.57 A.