If supply
frequency increases, the skin effect is :
Decreased
Increased
Remains same
None of these
Increased
Formula of
skin depth is –
Lower the
skin depth more will be the skin effect.
Hence if
supply frequency (f) increase, 
(depth)
decrease and
thus skin effect will be more.
Preparing students for success in a changing World.
We care about our students
RPSC-AE, RSMSSB-JE, SSC-JE, RRB-JE, PSU's