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if a bar magnet is at an angle 60 o from the uniform magnetic field .then torque is τ then maximum change in potential energy in rotating this bar magnet will be ___(ans:4/√3τ)

if a bar magnet is at an angle 60o from the uniform magnetic field .then torque is τ then maximum change in potential energy in rotating this bar magnet will be ___(ans:4/√3τ)

Grade:12

1 Answers

ROSHAN MUJEEB
askIITians Faculty 829 Points
one year ago
torque=M*Bsin(theta).here put theta=60 .formula of potential energy is -MBcos(theta).maximum change is when theta becomes 180 degree

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