## Question

###### (15 pts) As shown in the figure, metal bar moves in uniform 2.20 T magnetic field at speed of v 6.00 mls on very low resistance wires_ The arrangement makes loop as shown:4.00(3 pts) This constant magnetic field was created by solenoid with high-current superconducting wires. The solenoid has diameter of 5.00 m with 7200 turns/m Find the current in the solenoid(5 pts) Find the amount and direction of the current induced in the loop(8 pts) Find the magnitude and direction of the force needed t0 k

(15 pts) As shown in the figure, metal bar moves in uniform 2.20 T magnetic field at speed of v 6.00 mls on very low resistance wires_ The arrangement makes loop as shown: 4.00 (3 pts) This constant magnetic field was created by solenoid with high-current superconducting wires. The solenoid has diameter of 5.00 m with 7200 turns/m Find the current in the solenoid (5 pts) Find the amount and direction of the current induced in the loop (8 pts) Find the magnitude and direction of the force needed t0 keep the bar moving at a constant velocity of 6.00 mls

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