Download the app

Questions  

The pole strength of a bar magnet is 48 Am and the distance between its poles is 25 cm. The moment of the couple by which it can be placed at an angle of 30o with the uniform magnetic intensity of flux density 0.15 N/A-m will be

a
12 Nm
b
18 Nm
c
0.9 Nm
d
None of these

detailed solution

Correct option is C

τ= MBsinθ= 48 x 25 x l0-2 x 0.15 x 12= 0.9 N-m

Talk to our academic expert!

+91

Are you a Sri Chaitanya student?


Similar Questions

The magnetic needle of a tangent galvanometer is deflected at an angle 30o.The horizontal component of earth's magnetic field 0.34 x 10-4 T is along the plane of the coil. The magnetic induction produced by the coil at its center is


phone icon
whats app icon