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

When was the Archie comics created? what year.
There are 13 fish in an aquarium. seven of the fish are guppies. how many non-guppies are in the aquarium
Rapid rental car company charges a $40 rental fee $15 for gas, and $0.25 per mile driven. For the same car, Capital Cars charges $5 for a rental and gas and $0.
Which is a characteristic of iron?
Round 430 to nearest thousand
A large sac that stores water,salts and other materials for the cell is called a
Salt (NaCl) is _____. an acid a base a neutral
The price p of a pizza is $6.95 plus $.95 for each topping t on the pizza
What is 243.15 rounded to the nearest tenth ?
1. Simplify. 42 (square, so it's 4 x 4)+ 25 1. 21 2. 29 3. 41 4. 51 2. Simplify the expression. 55− 4⋅5 + 1255 − 4 ⋅ 5 + 12 Enter your answer in the