A proton with an initial speed of 550,000 m/s is brought to rest by an electric...
A proton with an initial speed of 550,000 m/s is brought to rest by an electric field.
Did the proton move into a region of higher potential or lower potential?
A. Because the proton is a negative charge and it accelerates as it travels, it must be moving from a region of lower potential to a region of higher potential.
B. Because the proton is a positive charge and it slows down as it travels, it must be moving from a region of higher potential to a region of lower potential.
C. Because the proton is a negative charge and it accelerates as it travels, it must be moving from a region of higher potential to a region of lower potential.
D. Because the proton is a positive charge and it slows down as it travels, it must be moving from a region of lower potential to a region of higher potential.
Homework Answers
D. option is correct. Since the proton has a positive charge and to decelerate it, it should be moved towards a positive potential so that there will experience a repulsive force which will decrease its velocity and ultimately stops it.
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