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  • A point charge is placed outside a hollow conductor of radius R, at a distance r(r>R) from it

A point charge \mathrm{a} is placed outside a hollow conductor of radius R, at a distance r(r>R) from its centre c. The electric fid d at the centre c of the conductor due to charges indued on it.

Option: 1

Prop to \mathrm{r^2}


Option: 2

Prop to \mathrm{r}


Option: 3

prop to \mathrm{r^-2}


Option: 4

Prop to \mathrm{r^3}


Answers (1)

best_answer

If \mathrm{\overrightarrow{E_1}}, is the electric field of charge Q at C and \mathrm{\overrightarrow{E_2}}, due to induced charge, then

\mathrm{ \overrightarrow{E}_1+\overrightarrow{E}_2=0 }

\mathrm{ \overrightarrow{E}_3=-\overrightarrow{E}_1 \text { or } E_2=E_1}

\mathrm{=\frac{1}{4 \pi \theta_0} \frac{Q}{r^2}}

Posted by

seema garhwal

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