During dry weather, rubbing a plastic scale with dry hair, attracts small pieces of paper. This is due to
(a) gravitational force
(b) electrostatic force
(c) frictional force
(d) muscular force
During dry weather, rubbing a plastic scale with dry hair, attracts small pieces of paper. This is due to
(a) gravitational force
(b) electrostatic force
(c) frictional force
(d) muscular force