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

Discuss the impact of the telegraph on American society. How might you use instant communication today?
Where was the first Dutch settlement
4. Susanita no _____(creer) a David​
What would a pivot point in an argumentative essay be?
Two cars started at the same position and were driven through a city using different streets. The red car traveled north 2 miles, then east 4 miles, and then so
Homologous pairs separate in Meiosis I. O True O False
I don't understand how to do this so please explain or show me how to get the answer
The rate of the jet stream is 100 miles per hour. Traveling with the jet​ stream, an airplane can fly 1200 miles in the same amount of time as it takes to fly 1
please try and solve it
Who were the “Regulators” and what were they trying to accomplish?