Critical radius of a hollow cylinder is
defined as ________ .
outer radius which gives maximum heat
flow
outer radius which gives minimum heat flow
inner radius which gives minimum heat
flow
inner radius which gives maximum heat
flow
outer radius which gives maximum heat
flow
Critical radius of a hollow cylinder is defined as outer radius which gives maximum heat flow.
Critical radius, 
Hence, the correct option is (A).
Preparing students for success in a changing World.
We care about our students
RPSC-AE, RSMSSB-JE, SSC-JE, RRB-JE, PSU's