JEE Main 2025 Physics question

Assertion (A) : A electron in a certain region of uniform magnetic field is moving with constant velocity in a straight line path. Reason (R) : The magnetic field in that region is along the direction of velocity of the electron. In the light of the above statements, choose the correct answer from the options given below :

• (1)(A) is false but (R) is true
• (2)Both (A) and (R) are true and (R) is the correct explanation of (A)Correct
• (3)Both (A) and (R) are true but (R) is NOT the correct explanation of (A)
• (4)(A) is true but (R) is false