Q18. Due to the magnetic force, a positively charged particle executes uniform circular motion within a uniform magnetic field ‘B’. If the charge is ‘q’ and radius of its path is r, which of the expressions gives the magnitude of the particle’s linear momentum: Physics — Magnetism and Electromagnetic Induction Past Paper — Question 18 of 591A. qBrB. qB/rC. q/(Br)D. BPractice more Physics MCQs for entrance exam preparation on Examora.io.← Previous Question Next Question →