Question: A point charge Q with a velocity = V enters a region having a uniform magnetic field B B,& + By + B2. 10

A point charge Q with a velocity V = Vo enters a region having a uniform magnetic field B B&+By + B2. 10 a)

A point charge Q with a velocity = V enters a region having a uniform magnetic field B B,& + By + B2. 10 a) What E field should exist in the region so that the charge proceeds without a change of velocity? (You will find an expression that depends on B and v) 15 b) A circular loop of radius b that carries a direct current "I". Find the magnetic flux density (B) at the center (O) of the circular loop. (Show all symbols you will use on the figure) ========= Q-3 part-b I ============================

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