A circular metal plate of radius 10 cm is given a charge of `20muC` on its surface. The charge density of the plate is

Question

A circular metal plate of radius 10 cm is given a charge of `20muC` on its surface. The charge density of the plate is

A circular metal plate of radius 10 cm is given a charge of `20muC` on its surface. The charge density of the plate is
A. `3.185xx10^(-6)C//m^(2)`
B. `2xx10^(-6)C//m^(2)`
C. `3xx10^(-9)C//m^(2)`
D. `3.184xx10^(-4)C//m^(2)`

Monjur Alahi

19 views

2025-01-04 04:42

1 Answers

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Salim Ahmed Kawsar · Accepted Answer · 2023-02-05T15:29:48+06:00

Salim Ahmed Kawsar

Correct Answer - D
`sigma=q/(2piR^(2))=(20xx10^(-6))/(2xx3.14xx10^(-2))`
`= 3.184xx10^(-4)C//m^(2)`

19 views Answered 2023-02-05 15:29