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Four particles enter a region of uniform magneticfield. Their trajectories are shown in figure. Whatare the signs of the charge of all four particles? |
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Answer» for a positive charge... using right hand thumb rule the IN THE FIGURE if the magnetic field is downward (×) , and velocity is from left to right.. , then the magnetic force will be such that the particle will move in anticlockwise...( force will be upward)... here for A.. it is following clockwise path.. to charge will be -ve.. same goes for B too.. it is also -ve for C it is following anticlockwise path.. so, +ve charge.. and D is going undeflected.. so , D is neutral.. |
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