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

What number is 28% of 50
anyone know the answer?
What would you do with the force and mass to create a situation where the car has the highest acceleration possible?
Hello, need help on this aggravating math question.
Find the unknown sides of the triangle
Florida has 8 less than the number of counties in Arizona.​
Simplify the expression where possible. (-4x2)^2
Which of the following pairs of concepts are religion-based ideals that shaped American society? Select all that apply. personal choices; public displays impo
who made a car first in pakistan
what's the value of given expression :[tex] \sqrt{5 \times 5} [/tex]​