An ion `Mn^(a+)` has the magnetic moment equals to 4.9 BM what is the value of 'a'?

An ion of definite magnetic moment (spin only) is -

Calculate the magnetic moment of Cu^(3+) ion .

A circular coil of N turns is made of a conducting wire of a certain length . When a current I is sent through it , the magnetic moment is p , Another coil of 2N turns is made with the same wire and the same current is sent through it . The magnetic moment becomes p'. If p : p ' = n : 1 , what is the value of n ?

A transition metal compound has a magnetic moment of 3.9 BM. Calculate the number of unpaired electrons in the compound.

Calculate the magnetic moment of Fe^(3+) ion.

Explain why [Fe(H_(2)O)_(6)]^(3+) has magnetic moment value of 5.92 BM whereas [Fe(CN)_(6)]^(3-) has a value of only 1.74 BM.

The ratio of two coils (circular) radius is 1 :2 . If the magnetic moment within them are equal, then what is the ratio of their currents?

The value of magnetic moment is the same for -

A short bar magnet placed with its axis at 30^@ with a uniform external magnetic field of 0.25T experiences a torque of magnitude equal to 4.5xx10^(-2)Nm . What is the magnitude of magnetic moment?

What is the magnetic nature of Cu^(2+) ion.