The value of permeability of a vaccum is
A. 4π x 10-7 henry/meter
B. 4π x 10-9 henry/meter
C. 4π x 10-7 henry/meter
D. 4π x 107 henry/meter
Answer:A
The value of permeability of a vaccum is
A. 4π x 10-7 henry/meter B. 4π x 10-9 henry/meter C. 4π x 10-7 henry/meter D. 4π x 107 henry/meter