# Determine the strength of the electric field in a flat air capacitor charged up to a voltage of 500 V at a distance of 8 mm.

October 10, 2021 | education

| We calculate the electric field strength in a flat air capacitor by the formula:

E = U / l, where U is the voltage across a flat air capacitor (U = 500 V), l is the distance from a given point to the capacitor (l = 8 mm = 8 * 10-3 m).

Let’s calculate the electric field strength:

E = U / l = 500 / (8 * 10-3) = 62,500 V / m.

Answer: The electric field strength in a flat air capacitor is 62,500 V / m.

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