Deflection Magnetometer - Questions and Answers

1. A sample of iron has a magnetic induction of 0.5 T when the magnetic intensity is 10 A/m. The magnetic permeability of iron is

2. A magnetic field of 2000 A-turn/m produces a magnetic induction of 8π Wb/m2 in a bar of iron. Then the relative permeability of the iron is

3. The magnetic permeability of a medium indicates its capacity

4. The ratio of the magnetic moments of two short magnets in Tan B position by equal distance method is given by

5. The distances of the mid-points of two short bar magnets from the neutral point are 0.1 m and 0.05 m respectively. Then the ratio of their magnetic moments is