Question

(7) Now, if a positive charge is placed to the right side of the current and is moving upward, the charge will experience a magnetic force in which direction? A. B. C. D. E. Out the page Into the page To the right To the left Downward (8) A flat conducting loop is positioned in a uniform magnetic field directed along the x axis. For what orientation of the loop is the flux through it a maximum? A. When the loop surface is parallel to the B field. B. When the loop surface is perpendicular to the B field. C. When the loop surface is at a 45 degree angle to the B field. D. When the loop surface is at a 60 degree angle to the B field. E. It depends on the shape and size of the loop (9) Two charged particles are projected into a region where a magnetic field is directed perpendicular to their velocities. If the charges are deflected in opposite directions, what are the possible relative charges and directions? I.same charge, opposite initial direction II.oppositely charged, same initial direction III. oppositely charged, opposite initial direction A. I only.B. II. Only. C. III Only.D. I. andII E. All of them. 10-11. Given the direction of the current, please determine the direction of the B field at location O A. Into the page B. Out of the page C. Up D. Down E. Zero C. (10)The current in wire A'A creates (11)The current in wire A C creates B field at location O B field at location O (12) Two charged particles are projected into a region where a magnetic field is directed perpendicular to their velocities. If the charges are deflected in opposite directions, what are the possible relative charges and directions? IV.same charge, opposite initial direction V.oppositely charged, same initial direction VI.oppositely charged, opposite initial direction A. I only.B. II. Only. C. III Only.D. I. andII E. All of them.

Answer 1