Physics Value of permeability of free space in SI units is___________________? Options:A. 4?x10-9 WbA-1m-1B. 4?x10-7 WbA-1m-1C. 4?x10-10 WbA-1m-1D. 4?x10-8 WbA-1m-1View AnswerB. 4?x10-7 WbA-1m-1 Continue Reading Previous: SI unit of flux density is____________________?Next: The deflection for 50 division of galvanometer is decreased to 25 divisions by shunt resistance of 12?. Galvanometer resistance is_____________?