Q61. A power line 8m high carries a current 100A. What is the magnetic field of wire at ground?Physics — Magnetism and Electromagnetic Induction Past Paper — Question 61 of 591A. 0.002 TB. 2.5 x 10-6 T C. 0.005 T D. 4 x 10-6 T Practice more Physics MCQs for entrance exam preparation on Examora.io.← Previous Question Next Question →