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

Sandy threw a ball 86 inches. She picked it up and threw it another 12 inches. Then she threw it another 10 inches. How many feet in total, did Sandy throw the
Vhich list shows the chronological order of events in chapters 6 and 7 of Holes
I NEED HELP WITH MATH QUESTION PLEASE HELP ME NO LINKS !!!
In the diagram, m and Q is the center of the circle. Name two triangles that are congruent.
What is the equation (y=mx+b) for the points (3,-1) and (4,7) PLZ SHOW HOW YOU GOT THE Y-INTERCEPT
Tell if the sentence is correct or incorrect. Among a heard of cows, I saw a bull.
Teachers, doctors, and lawyers need professional licenses in order to perform their jobs legally. Who has the authority to issue these licenses? School boards
FIGURE OF SPEECH The kitchen light refused to turn on. PERSONIFICATION ALLITERATION HYPERBOLE LAST QUIZ 3..
What is the midpoint of KL?
You read 9.75 pages in your science book and 24.5 pages of a play for English class. It takes you 1.2 minutes to read each page of science and 0.8 of a minute t