Home
Class 8
PHYSICS
[" 2.A bar magnet is hung by a thin cott...

[" 2.A bar magnet is hung by a thin cotton thread in a "],[" uniform horizontal magnetic field and is in equilibrium "],[" state.The energy required to rotate it by "60^(@)" is "W" ."],[" Now the torque required to keep the magnet in this "],[" new position is: "],[[" (a) "(2W)/(sqrt(3))," (b) "(W)/(sqrt(3))," (c) "sqrt(3)W," (d) "(sqrt(3)W)/(2)" ."]]

Promotional Banner

Similar Questions

Explore conceptually related problems

A bar magnet is hung by a thin cotton thread in a uniform horizontal magnetic field and is in' equilibrium state. The energy required to rotute it by 60^(circ) is W . Now the torque required to keep the magnet in this new: position is sqrt(k) W . Find k .

One bar magnet is suspended so as to rotate freely in horizontal magnetic field. Then .....

A bar magnet hung by a insulating thread In a uniform horizontal magnetic field and magnet is in equilibrium Initially. The torque required to keep the magnet at angle by 30° with the direction of magnetic field is t. Then the work done to rotate it by same angle from initial position is

A bar magnet hung by a insulating thread In a uniform horizontal magnetic field and magnet is in equilibrium Initially. The torque required to keep the magnet at angle by 30° with the direction of magnetic field is t. Then the work done to rotate it by same angle from initial position is

A magnetic needle is placed in a uniform magnetic field and is aligned with the field. The needle is now rotated by an angle of 60^(@) and the work done is W. The torque on the magnetic needle at this position is

A magnetic needle lying parallel to a magnetic field requires W units of work to turn through 60^(@) . The external torque required to maintain the magnetic needle in this position is

A magnetic needle lying parallel to a magnetic field requires W units of work to turn through 60^(@) . The external torque required to maintain the magnetic needle in this position is