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2 years ago

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What is the power dissipated by a 5ohm resistor if the current is 4A?

1 answer:

posledela2 years ago

6 0

Answer:

Answer: First, we use Ohm's law ( V = I × R ), to find the current through the resistor. The voltage across the resistor is V = 9 V. The resistance of the resistor is R = 100 Ω. Then, we can use the power rule ( P = I × V ), to find the power dissipated by the resistor

Step-by-step explanation:

i dont know if its the right answer but here

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Y = 5x - 10<br> Can you solve for x

tensa zangetsu [6.8K]

Answer:

$x = \frac{1}{5}y + 2$ or $x = \frac{y+10}{5}$ (Not sure which one is preferred in your case)

Step-by-step explanation:

<u>Key skills needed: Evaluating expressions</u>

1) We are given: $y = 5x-10$

2) To solve for the x variable, we want to leave the term with "x" by itself.

This means we add 10 to both sides

--> $y + 10 = 5x$ (Since -10 and +10 cancel out to make 0 or nothing)

3) Then we divide by 5 on both sides to get "x" completely by itself.

-----> $\frac{y+10}{5} = x$

4) You can keep it as is so --> $x = \frac{y + 10}{5}$

or you can divide "y" by 5 and "10" by 5 and get --> $x = \frac{1}{5} y + 2$

(I am not sure which form is preferred one is preferred as the teacher matters)

<em>Hope you understood and have a nice day!!</em>

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