Question

The linear expansivity of a metal P is twice that of another metal Q. When these materials are heated through the same temperature change, their increase in length is the same. Calculate the ratio of the original length of P to that of Q.

Answer 1

Answer:

Al-Attempt any Eight-2 marks each)

3) Earth's magnetic field at the equator is

approximately 4x10 T. Calculate Earth's

dipole moment. (Radius of Earth =

6.4*10* m, k = 4x10' SI units)