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Primary - A B C D E 2 An electron traveling north enters a...

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2. An electron traveling north enters a region where the electric field is uniform and points west. The electron: A) speeds up B) slows down C) veers east D) veers west E) continues with the same speed in the same direction Ans: C 4. A particle with mass m and, charge – q is projected with speed v 0 into the region between two parallel plates as shown. The potential difference between the two plates is V and their separation is d . The change in kinetic energy of the particle as it traverses this region is: 7. The figure shows the motion of electrons in a wire which is near the N pole of a magnet. The wire will be pushed: 8. Two parallel wires, 4 cm apart, carry currents of 2 A and 4 A respectively, in the same direction. The force per unit length in N/m of one wire on the other is:
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