Question

В катушке из 200 витков проволоки на протяжении 5 мс возбуждалась постоянная ЭДС индукции 160 В. Чему равно изменение магнитного потока? ПОМОГИТЕ ПОЖАУЙСТА !!!!!!!! Дам 35 баллов

Answer 1

Ответ:

Ответ: -4 мВб

Объяснение:

Дано :

N = 200

∆t = 5 мс = 5 * 10³ с

ЭДС = 160 В

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∆Ф - ?

Решение :

ЭДС = - ( N∆Ф )/∆t

∆Ф = - ( ЭДС∆t )/N

∆Ф = - ( 160 * 5 * 10³ )/200 = -4 * 10^-3 Вб

Answer 2

Calculation of Change in Magnetic Flux

To calculate the change in magnetic flux in a coil with 200 turns of wire, we need to use Faraday's law of electromagnetic induction. According to Faraday's law, the induced electromotive force (EMF) in a coil is equal to the rate of change of magnetic flux through the coil.

The formula for calculating the induced EMF is:

EMF = -N * dΦ/dt

Where: - EMF is the induced electromotive force - N is the number of turns in the coil - dΦ/dt is the rate of change of magnetic flux through the coil

In this case, we are given that the coil has 200 turns of wire and is excited by a constant induced EMF of 160 V for a duration of 5 ms.

To find the change in magnetic flux, we need to rearrange the formula:

dΦ/dt = -EMF / N

Substituting the given values:

dΦ/dt = -160 V / 200

Calculating the value:

dΦ/dt = -0.8 V

Therefore, the change in magnetic flux is -0.8 V.

Please note that the unit of magnetic flux is Weber (Wb), and the unit of rate of change of magnetic flux is Weber per second (Wb/s) or Volt (V).