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  • A toroid of mean radius ' a ', cross section radius ' r ' and total number of turns N. it carries a current ' i '. The torque experienced by the toroid if a u

A toroid of mean radius ' a ', cross section radius ' r ' and total number of turns N. it carries a current ' i '. The torque experienced by the toroid if a uniform magnetic field of strength  B  is applied.
 

Option: 1

is zero


Option: 2

is \,\,BiN\pi r^{2}


Option: 3

is \,\,BiN\pi a^{2}


Option: 4

depends on the direction of Magnetic field


Answers (1)

best_answer

here, Angle between \vec{B}  and  \vec{A} is zero.

So, \vec{\tau }=0

Torque is zero.

Posted by

Anam Khan

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