Q86. For a solenoid of a fixed length and radius, the length of the wire used for its winding is doubled, while the current is kept constant. If the initial magnetic field inside is B, what will the new magnetic field be?Physics — NUST Mock By Dogers 6 — Question 86 of 200A. BB. B/2C. 2BD. 4BPractice more Physics MCQs for entrance exam preparation on Examora.io.← Previous Question Next Question →