MCQ
Inductance $L$ can be dimensionally represented as
- ✓$M{L^2}{T^{ - 2}}{A^{ - 2}}$
- B$M{L^2}{T^{ - 4}}{A^{ - 3}}$
- C$M{L^{ - 2}}{T^{ - 2}}{A^{ - 2}}$
- D$M{L^2}{T^4}{A^3}$
hence $L = [M{L^2}{T^{ - 2}}{A^{ - 2}}]$
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$\rho(r)=\left\{\begin{array}{ll}\rho_{0}\left(\frac{3}{4}-\frac{r}{R}\right) & \text { for } r \leq R \\ \text { Zero } & \text { for } r>R\end{array}\right.$
Where, $r ( r < R )$ is the distance from the centre $O$ (as shown in figure). The electric field at point $P$ will be.