Consider the force $F$ on a charge $'q'$ due to a uniformly charged spherical shell of radius $R$ carrying charge $Q$ distributed uniformly over it. Which one of the following statements is true for $F,$ if $'q'$ is placed at distance $r$ from the centre of the shell $?$
Consider the force $F$ on a charge $'q'$ due to a uniformly charged spherical shell of radius $R$ carrying charge $Q$ distributed uniformly over it. Which one of the following statements is true for $F,$ if $'q'$ is placed at distance $r$ from the centre of the shell $?$
- [JEE MAIN 2020]
- A
$F =\frac{1}{4 \pi \varepsilon_{0}} \frac{ Qq }{ r ^{2}}$ for $r > R$
- B
$\frac{1}{4 \pi \varepsilon_{0}} \frac{q Q}{R^{2}}>F>0$ for $r < R$
- C
$F =\frac{1}{4 \pi \varepsilon_{0}} \frac{ Qq }{ r ^{2}}$ for all $r$
- D
$F =\frac{1}{4 \pi \varepsilon_{0}} \frac{ Qq }{ R ^{2}}$ for $r < R$
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- [JEE MAIN 2020]