Задача 31157.

Flat capacitor electrode placed in kerosene. What kind of work have to do to push the plates of the capacitor at a distance of 2 to 11 cm, if they are charged to a voltage of 600 V and are disconnected from the source? The area of \u200b\u200beach plate 628 cm ^ 2.

Detailed solution shorthand terms, formulas, laws used in the decision, the withdrawal of the calculation formula and the response.

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