\(\vec{F} =i(\vec{i} \times \vec{B})\)
\(=2(1)(2)\)
\(=4\,N\)
Normal to side towards centre of triangle.
$(i)$ | $(ii)$ | $(iii)$ |
(A) $\frac{{{\mu _0}i}}{2r}$ $\odot$ | (A) $\frac{{{\mu _0}}}{{2\pi }}\frac{i}{r}(\pi - 2)$ | (A) $\frac{{{\mu _0}}}{{2r}}\frac{{2i}}{r}(\pi + 1)$ $\otimes$ |
(B) $\frac{{{\mu _0}i}}{{2r}}$ $\otimes$ | (B) $\frac{{{\mu _0}i}}{{4\pi }}.\frac{i}{r}(\pi + 2)$ $\otimes$ | (B) $\frac{{{\mu _0}i}}{{4r}}.\frac{{2i}}{r}(\pi - 1) \otimes $ |
(C) $\frac{{{3\mu _0}i}}{{8r}}$ $\otimes$ | (C) $\frac{{{\mu _0}i}}{4r}$ $\otimes$ | (C) $Zero$ |
(D) $\frac{{{3\mu _0}i}} {{8r}}$ $\odot$ | (D) $\frac{{{\mu _0}i}}{4r}$ $\odot$ | (D) $Infinite$ |
ઉગમબિંદુુ પાસે વહેતો વિદ્યુત પ્રવાહ $I_{1}$ ની હાજરી હોય ત્યારે શું કહી શકાય ?