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A 6 volt battery delivers 48 watts to two identical light bulbs that are connected in parallel. Determine the resistance of each bulb.

Respuesta :

GeorgePP

Answer: 0.75 Ohms

Explanation:

Use the Joule heating law stating that the power is equal to the square of the voltage over the resistance:

[tex]P=V^2/R[/tex]

Plug everything in:

[tex]48=(6^2)/R[/tex]

[tex]R=6^2/48[/tex]

[tex]R=36/48=0.75[/tex]

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