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A metal ring of radius r=0.5 \mathrm{~m} with its plane normal to a uniform magnetic field B of induction 0.2 T carries a current I=100 A The tension in newtons developed in the ring is -

Option: 1

100


Option: 2

50


Option: 3

25


Option: 4

10


Answers (1)

best_answer

here,

\begin{aligned} & 2 T \frac{d \theta}{2}=i R d \theta B \\ & T=10 \mathrm{~N} \end{aligned}

 

Posted by

seema garhwal

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