H2P-395

Field of a point charge

H2 Physics · JC 2 · Medium · Field of a point charge

Two large parallel plates are 0.040 m apart and maintained at +80 V and −80 V. What is the magnitude of the electric field strength between the plates?

$4.0\times10^3\,\text{N C}^{-1}$
$2.0\times10^3\,\text{N C}^{-1}$
$4.0\times10^2\,\text{N C}^{-1}$
$2.0\times10^4\,\text{N C}^{-1}$

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