3. Two charges are placed on a line as shown in the figure. The charge on the right is three times the magnitude of the
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3. Two charges are placed on a line as shown in the figure. The charge on the right is three times the magnitude of the
3. Two charges are placed on a line as shown in the figure. The charge on the right is three times the magnitude of the charge on the left. Besides infinite, where else can electric field possibly be zero? a. between the two charges. b. to the left of the charge -q. c. to the right of the charge 3q. d. none of them -9 b. 16F 4. Two small spheres have equal charges Q and are separated by a distance r. The force exerted on each sphere by the other has magnitude F. If the charge on each sphere is doubled and r is halved, the force on each sphere has magnitude of: a. F 3q c. 4F d.2F