A long straight wire has a current of 10A in it cwlculate the magnetic induction at a point at a perpendicular distance of 0.5m fron the wire ​

Aprotein molecule in an electrophoresis gel has a negative charge. the exact charge depends on the ph of the solution, but 30 excess electrons is typical. what is the magnitude of the electric force on a protein with this charge in a 1600n/c electric field? write in two significant numbers, and also in newton