The value of the Bohr magneton is about
A6.63 x 10^-34 A m^2
B9.1 x 10^-31 A m^2
C1.6 x 10^-19 A m^2
D9.274 x 10^-24 A m^2
Answer & Solution
Correct answer: D. 9.274 x 10^-24 A m^2
The Bohr magneton eh/4πm for the first orbit works out to 9.274 x 10^-24 A m^2.
Keep practising Magnetic Materials
Browse all Magnetic Materials questions for MHT-CET, or explore more Physics topics.
Related questions
Sensitive instruments are protected from stray fields by enclosing them in a case ofElectromagnet cores are made of soft iron because it hasMaterials used for permanent magnets should haveThe reverse field H needed to bring B to zero in a hysteresis cycle is calledThe value of B left in a ferromagnet when H is reduced to zero is calledOn heating a ferromagnet, its domain structure distorts because exchange couplingThe temperature above which a ferromagnet behaves as a paramagnet is itsA region of a ferromagnet with all atomic moments aligned the same way is a