Solutions

Question-2 : Asteroid is a conductor!!

Shelly, an Astronomer and Bert, a Geologist when examining the asteroid chunk decides to calculate the resistivity of chunk (ρ) to decide its metallic composition. They find out it has resistance of ’Φ’. Help them find expression for resistivity of chunk in terms of a, b, h and . Assume the material to behave like good conductor.

Answer :