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  4. A certain type of charge density is given in Column-I and its description is given in Column-II. Match the entries of Column-I with Column-II Column - I Column - II (.a.) Linear charge density, (.i.) (c h a r g e/v o l u m e) (.b.) Surface charge density (.ii.) (c h a r g e/l e n g t h) (.c.) Volume charge density (.iii.) (C h a r g e/a r e a)

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Q. A certain type of charge density is given in Column-I and its description is given in Column-II. Match the entries of Column-I with Column-II
Column - I Column - II
$\left(\right.a\left.\right)$ Linear charge density, $\left(\right.i\left.\right)$ $\frac{c h a r g e}{v o l u m e}$
$\left(\right.b\left.\right)$ Surface charge density $\left(\right.ii\left.\right)$ $\frac{c h a r g e}{l e n g t h}$
$\left(\right.c\left.\right)$ Volume charge density $\left(\right.iii\left.\right)$ $\frac{C h a r g e}{a r e a}$

NTA AbhyasNTA Abhyas 2020

Solution:

Linear charge density, $\lambda =\frac{c h a r g e}{l e n g t h};a \rightarrow \left(i i\right)$
Surface charge density, $\sigma =\frac{C h a r g e}{a r e a};b \rightarrow \left(i i i\right)$
Volume charge density, $\rho =\frac{c h a r g e}{v o l u m e};C \rightarrow \left(i\right)$