Value of permeability of free space in SI units is___________________?
A4πx10-10 WbA-1m-1
B4πx10-9 WbA-1m-1
C4πx10-7 WbA-1m-1
D4πx10-8 WbA-1m-1
Correct answer
C. 4πx10-7 WbA-1m-1
Explanation
4πx10-7 WbA-1m-1 is the correct answer. Review the question and compare it with the other choices to remember this fact for future exams.