ciaraCochran5629 ciaraCochran5629
  • 03-08-2022
  • Physics
contestada

If the current in an inductor is doubled, by what factor is the stored energy multiplied?
a. 4
b. 1/4
c. 2
d. 1/2
e. 1

Respuesta :

Reideen
Reideen Reideen
  • 03-08-2022

Answer:

  • a. 4

Explanation:

_______________

[tex]I_2=2I_1[/tex]

[tex]L=\text{const}[/tex]

_______________

[tex]\displaystyle \frac{W_2}{W_1}\; - \;?[/tex]

_______________

[tex]\displaystyle \boldsymbol{\frac{W_2}{W_1}}=\frac{\dfrac{LI_2^2}{2} }{\dfrac{LI_1^2}{2} } =\frac{I_2^2}{I_1^2} =\bigg(\frac{I_2}{I_1} \bigg)^2=\bigg(\frac{2I_1}{I_1} \bigg)^2=2^2=\boldsymbol{4}[/tex]

Answer Link

Otras preguntas

Please help!!!!! For the data set shown by the table
What are the purposes of and limits on the right to keep and bear arms?
Why does globalization lead to a reduction in prices for goods and services?
Which of these are central ideas of chapter 4 of Wheels of Change? Check all that apply.Some women in the 1880s and 1890s were excellent cycling racers.Bicycle
What style did American-born sculptor Edmonia Lewis employ to address modern issues such as slavery?
The only taxon in which the biological characteristics are clearly identifiable is the
Please help me with this please
A mutation caused a phenotypic change in an organisms offspring. The mutation most likely occurred in which type of cell from the parent
Select from the drop-down menus to correctly complete the statements about the given figures. Quadrilateral IJKL is the result of a ________of quadrilateral
The ego psychologists amended freud's original position by emphasizing that the ____.â