1.

Two short magnets of dipole moment M each are placed crossed at 90^(@) (see adjacent figure). The magnetic field at a distance from the centre on the bisector of the right angle is

Answer»

`(mu_(0) 2M)/(4 PIR^(3))`
`(mu_(0))/(4pi) (2sqrt(2)M)/(r^(3))`
`(mu_(0))/(4pi ) (sqrt(2)M)/(r^(3))`
`(mu_(0))/(4pi)(M)/(r^(3))`

Answer :B


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