Question

A conducting ring of radius with a conducting spoke is in pure rolling on a horizontal surface in a region having a uniform magnetic field b as shown v being velocity of centet of ring.Then potential difference v-va

Answer 1

Answer:

Moving electric charges produce magnetic fields. Magnetic fields exert forces on other moving charge. The force a magnetic field exerts on a charge q moving with velocity v is called the magnetic Lorentz force. It is given by

Moving electric charges produce magnetic fields. Magnetic fields exert forces on other moving charge. The force a magnetic field exerts on a charge q moving with velocity v is called the magnetic Lorentz force. It is given byF = qv × B.

Moving electric charges produce magnetic fields. Magnetic fields exert forces on other moving charge. The force a magnetic field exerts on a charge q moving with velocity v is called the magnetic Lorentz force. It is given byF = qv × B.The magnitude of the Lorentz force F is F = qvB sinθ, where θ is the smallest angle between the directions of the vectors v and B.

Moving electric charges produce magnetic fields. Magnetic fields exert forces on other moving charge. The force a magnetic field exerts on a charge q moving with velocity v is called the magnetic Lorentz force. It is given byF = qv × B.The magnitude of the Lorentz force F is F = qvB sinθ, where θ is the smallest angle between the directions of the vectors v and B.If v and B are parallel or anti-parallel to each other, then sinθ = 0 and F = 0. If v and B are perpendicular to each other, then sinθ = 1 and F has its maximum possible magnitude F = qvB.

Moving electric charges produce magnetic fields. Magnetic fields exert forces on other moving charge. The force a magnetic field exerts on a charge q moving with velocity v is called the magnetic Lorentz force. It is given byF = qv × B.The magnitude of the Lorentz force F is F = qvB sinθ, where θ is the smallest angle between the directions of the vectors v and B.If v and B are parallel or anti-parallel to each other, then sinθ = 0 and F = 0. If v and B are perpendicular to each other, then sinθ = 1 and F has its maximum possible magnitude F = qvB.If a charge q is moving with uniform velocity v parallel to the direction of a uniform magnetic field B, it experiences no force. It continues to move with uniform velocity v along a straight line parallel to the field.

Moving electric charges produce magnetic fields. Magnetic fields exert forces on other moving charge. The force a magnetic field exerts on a charge q moving with velocity v is called the magnetic Lorentz force. It is given byF = qv × B.The magnitude of the Lorentz force F is F = qvB sinθ, where θ is the smallest angle between the directions of the vectors v and B.If v and B are parallel or anti-parallel to each other, then sinθ = 0 and F = 0. If v and B are perpendicular to each other, then sinθ = 1 and F has its maximum possible magnitude F = qvB.If a charge q is moving with uniform velocity v parallel to the direction of a uniform magnetic field B, it experiences no force. It continues to move with uniform velocity v along a straight line parallel to the field.To find the direction of the Lorentz force, use the right-hand rule. Let the fingers of your right hand point in the direction of v. Orient the palm of your hand, so that as you curl your fingers, you can sweep them over to point into the direction of B. Your thumb points in the direction of the vector product v ×B. If q is positive then this is the direction of F. If q is negative, your thumb points opposite to the direction of F.