Question

11. Капля масла находится в однородном электрическом поле, на которую действует сила 10^-6 Н. Напряженность электрического поля равна 100 Н/Кл. а) Определите заряд капли масла b) Вычислите количество избыточных электронов в капле масла. Пж, уже завтра СОЧ, а я не могу решить только это,аааааааааа

Answer 1

Calculation of Charge on the Oil Drop

To determine the charge on the oil drop, we can use the equation:

F = qE

where: - F is the force acting on the oil drop (given as 10^-6 N) - q is the charge on the oil drop (unknown) - E is the electric field strength (given as 100 N/C)

Rearranging the equation, we have:

q = F / E

Substituting the given values, we can calculate the charge on the oil drop.

q = (10^-6 N) / (100 N/C)

Using the given values, the charge on the oil drop is 10^-8 C.

Calculation of Excess Electrons in the Oil Drop

To calculate the number of excess electrons in the oil drop, we need to use the equation:

q = ne

where: - q is the charge on the oil drop (calculated as 10^-8 C) - n is the number of excess electrons (unknown) - e is the elementary charge (1.6 x 10^-19 C)

Rearranging the equation, we have:

n = q / e

Substituting the values, we can calculate the number of excess electrons in the oil drop.

n = (10^-8 C) / (1.6 x 10^-19 C)

Using the given values, the number of excess electrons in the oil drop is approximately 6.25 x 10^10 electrons.

Please note that these calculations assume that the oil drop is a single charged particle and that the charge is quantized in terms of elementary charge.