If a cable of homogeneous insulation has a maximum stress of 10 kV/mm, then the dielectric strength of insulation should be

If a cable of homogeneous insulation has a maximum stress of 10 kV/mm

1.	If a cable of homogeneous insulation has a maximum stress of 10 kV/mm, then the dielectric strength of insulation should be
A.	5 kV/mm
B.	10 kV/mm
C.	15 kV/mm
D.	30 kV/mm
Answer» C. 15 kV/mm