Time management is very much important in IIT JAM. The eduncle test series for IIT JAM Mathematical Statistics helped me a lot in this portion. I am very thankful to the test series I bought from eduncle.
Nilanjan Bhowmick AIR 3, CSIR NET (Earth Science)
Sajan sarthak Best Answer
Convection of outer core of Earth is like a moving dynamo . Charged particles when convect it generates magnetic field. it's moving velocity is 103 meter per second it's wrongly written as a-1 This velocity is 5 times greater than the mantle asthenosphere convection., due to which plate moves.