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We have the following configuration of charges on a straight line: Q4 Q5 Q1 Q2 Q3 O O O- -3r -2r -r 0 r 2r 3r What is the magnitude of the Coulomb force acting on Q3 assuming that Q1 = 3 /C, Q2 = 24 MC, Q3 = -12 MC, Q4 = 24 MC, Q5 = -6 MC, and r = 2 m? 0 0.9 x 102 N OON 0 5.4 x 102 N O 2.7 x 10-2 N 0 13.5 x 102 NThe device pictured is called a velocity selector. Two charged plates are placed in a uniform B- field, so that the direction of the Eeld between them is at a right angle to the direction of the B eld. Charged particles are then sent through the plates. Only those for which the electrical and magnetic forces exactly cancel out are allowed to pass to the far end. If we send hydrogen nuclei (that is, protons) into the selector with the strength of the Eeld at 2000 WC and the strength of the B-eld at 0.8 T, what is their velocity if they make it through? 0 1000 m/s 0 1600 m/s 0 2500 m/s 0 2000 m/s 0 3100 mfs Six wires are arranged as pictured here. Wire 1 i = 0 Wire 2 -. Wire A Wire B Wire C Wire D d d d d The distances between adjacent wires are all the same. Five of the wires carry a current of i in the direction shown. One wire (wire A) does not carry any current. Rank the magnitude of the net magnetic force exerted on wires A through D by wires 1 and 2 only. (For instance, do not consider any of the forces that wires B, C, and D exert on A, only the net force the wire 1 and 2 exert on it. Likewise for wires B, C, and D.) OFD > FA = FC = FB OFD >FC >FA = FB O FA = FB = FC = FD O FC = FD > FB = FA O FC > FD > FB > FA O FD = FC = FB >FA O FB > FC >FD > FAQuestion 5 2 pts What is the net magnetic force on the square loop with current 750 mA running counterclockwise as shown, due to the straight wire with 3 A of current traveling downwards. The loop has sides of length 10 cm, and the closest side is 5 cm from the wire. 10 cm 5 cm What is the magnitude and direction of the net magnetic force on the loop due to the current in the wire? 0 6.67 x 10-8 N to the right O 1.33 x 108 N to the left O 6.0 x 107 N to the right 0 6.67 x 10-8 N to the left O ON O 1.33 x 1078 N to the right 0 6.0 x 10 N to the left 0 5.0 x 10-8 N to the left 0 5.0 x 10-8 N to the rightA current-carrying loop of wire is placed in a uniform B-eld as shown. If the direction of the current of the loop is as indicated, what will the loop do? 4* 1 -b B