Magnetic field due to currentHard
Question
A charged particle enters a uniform magnetic field perpendicular to its initial direction traveling in air. The path of the particle is seen to follow the path in figure. Which of statements 1-3 is / are correct?
(1) The magnetic field strength may have been increased while the particle was travelling in air
(2) The particle lost energy by ionizing the air
(3) The particle lost charge by ionizing the air
(1) The magnetic field strength may have been increased while the particle was travelling in air
(2) The particle lost energy by ionizing the air
(3) The particle lost charge by ionizing the air
Options
A.1, 2, 3 are correct
B.1, 2 only are correct
C.2, 3 only are correct
D.1 only
Solution
R = 
The radius may be decease if v decreases or B increases.
The radius may be decease if v decreases or B increases.
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