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

Why is carbon dioxide a covalent bond?
Carlie runs two different business. She needs to pay $100 for materials, and pay her associates $12 per hour for her childcare business. And for her lawn care b
PLEASE ANSWER BOTH AND SHOW WILL I WILL GIVE BRAIN!! I BEG!!
how did native Americans arrived in North America and how were the conquered​
Which of the two Columbine shooters exhibited many of the traits associated with psychopaths?
i will give branlest if your wright
Triangle Proofs; Proving a theorem does not prove that the converse of the theorem is also true. Is this statement true or false?
Can someone plz help me with this one problem!!!?
how did the first people migrate to north america and what were their cultures like?​
Jayden goes out to eat with his friend, at the local diner. He orders a chicken quesadilla for $11.00. If he plans on leaving a 20% tip, for the server, how muc