A bar magnet of magnetic moment M, is placed in a magnetic field of induction B. The torque exerted on it is
Text Solution
Verified by ExpertsThe correct answer is:
A
When a bar magnet of magnetic moment M is placed in a magnetic field of induction B, then net force on it is

While torque,
as, 
i.e. 
Prepare Smarter with CGP Edu
Get practice questions, solutions, and test series in one place.
Write a Review
Share your experience with this question and solution.
Commentary
Send your comment, doubt, correction, or feedback to admin.
Similar Questions
Explore conceptually related problems
If a rod of length L and magnetic moment M bent into a semicircular arc, then new magnetic moment w…
It is found that work done in turning a magnet by angle from magnetic meridian is n times the work…
A planar coil having 15 turns carries 20 A current. The coil is oriented with respect to the unifor…
A bar magnet has a coercivity of . It is placed inside a solenoid of length 12 cm having 60 turns …
A paramagnetic sample shows a net magnetization of , when placed in an external magnetic field of …
Which of the following is a vector quantity?