Question

A positively charged particle moving due east enters a region of uniform magnetic field directed vertically upwards. The particle will

• A. Get deflected vertically upwards
• B. Move in a circular orbit with its speed increased
• C. Move in a circular orbit with its speed unchanged
• D. Continue to move due east

Answer 1

Answer: (C)

Move in a circular orbit with its speed unchanged

Answer 2

When particle enters perpendicularly in a magnetic field, it moves along a circular path with constant speed.