Magnetic Effects Of Current Question 163

Question: If two streams of protons move parallel to each other in the same direction, then they [MP PET 1999; AIIMS 2004]

Options:

A) Do not exert any force on each other

B) Repel each other

C) Attract each other

D) Get rotated to be perpendicular to each other

Show Answer

Answer:

Correct Answer: B

Solution:

For charge particles, if they are moving freely in space, electrostatic force is dominant over magnetic force between them. Hence due to electric force they repel each other.