Q4: A straight power line carries 30 A and is perpendicular to the Earth's magnetic field of 0.50 x 10-4 T. What magnitu
Posted: Wed Jun 08, 2022 11:50 am
Q4: A straight power line carries 30 A and is perpendicular to the Earth's magnetic field of 0.50 x 10-4 T. What magnitude force is exerted on 100m of this power line?