Answered

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A car stereo pulls 2.89 A from a car's battery. If the battery has a voltage of 12 V, how much power does it use?

Sagot :

In order to calculate the power, we can multiply the voltage and the current:

[tex]P=I\cdot U[/tex]

So we have:

[tex]\begin{gathered} P=2.89\cdot12\\ \\ P=34.68\text{ W} \end{gathered}[/tex]

Therefore the power is 34.68 W.

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