(a) A dc power line for a light-rail system carries 1000 A at an angle of 30.0∘30.0∘ to Earth’s 5.0×10−5T5.0×10−5T field. What is the force on a 100-m section of this line?
(b) Discuss practical concerns this presents, if any.
(a) A dc power line for a light-rail system carries 1000 A at an angle of 30.0∘30.0∘ to Earth’s 5.0×10−5T5.0×10−5T field. What is the force on a 100-m section of this line?
(b) Discuss practical concerns this presents, if any.