A magnetic needle is kept in a nonuniform magnetic field. It experiences
a force and a torque
a force but not a torque
a torque but not a force
neither a force nor a torque
As we learnt in
Behaviour in a non- uniform magnetic field -
These are strongly attracted in an external magnetic field (in ferromagnetic substance)
- wherein
A force and a torque act on a magnetic needle kept in a nonuniform magnetic field.
Option 1)
a force and a torque
Correct
Option 2)
a force but not a torque
Incorrect
Option 3)
a torque but not a force
Incorrect
Option 4)
neither a force nor a torque
Incorrect
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