MCAT Question of the Day
    •

    Q:

    		 An experiment shows that electron beams can pass undeflected through perpendicular electric and magnetic fields. If changed, which of the following will NOT affect either the electric or magnetic forces?
    		 

    A

    		 Sign of charge of the particles

    B

    		 Magnitude of charge of the particles

    C

    		 Mass of the particles

    D

    		 Velocity of the particles



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