Physics: What is the strength of the electric field 0.1 below the center of the bottom surface of the plate

What is the strength of the electric field 0.1

Ответ:

allisonatalie9169

01.02.2022

Complete Question

A thin, horizontal, 12-cm-diameter copper plate is charged to 4.4 nC . Assume that the electrons are uniformly distributed on the surface. What is the strength of the electric field 0.1 mm above the center of the top surface of the plate?

The values is $E =248.2 \ N/C$

Explanation:

From the question we are told that

The diameter is $d = 12 \ cm = 0.12 \ m$

The charge is $Q = 4.4 nC = 4.4 *10^{-9} \ C$

The distance from the center is $k = 0.1 \ mm = 1*10^{-4} \ m$

Generally the radius is mathematically represented as

$r = \frac{d}{2}$

=> $r = \frac{0.12}{2}$

=> $r = 0.06 \ m$

Generally electric field is mathematically represented as

$E = \frac{Q}{ 2\epsilon_o } [1 - \frac{k}{\sqrt{r^2 + k^2 } } ]$

substituting values

$E = \frac{4.4 *10^{-9}}{ 2* (8.85*10^{-12}) } [1 - \frac{(1.00 *10^{-4})}{\sqrt{(0.06)^2 + (1.0*10^{-4})^2 } } ]$

$E =248.2 \ N/C$

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Ответ:

uniqueesmeraldaangui

20.08.2021

Physics

position A is all potential) position B) losing potential and gaining kinetic) position C) is all kinetic) position D) is losing kinetic and gaining potential) position E) is all potential.

Explanation: I just did the questions trust me these are right try them! good luck.

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What is the strength of the electric field 0.1 below the center of the bottom surface of the plate

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