Power in Circuits Video Lessons

Concept

# Problem: A) Determine the resistance of a 250-W lightbulb connected to its proper source voltage of 110 V.B) Determine the current through a 250-W lightbulb connected to its proper source voltage of 110 V.

###### FREE Expert Solution

Power:

$\overline{){\mathbf{P}}{\mathbf{=}}\frac{{\mathbf{V}}^{\mathbf{2}}}{\mathbf{R}}}$

or

$\overline{){\mathbf{P}}{\mathbf{=}}{\mathbf{V}}{\mathbf{i}}}$

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###### Problem Details

A) Determine the resistance of a 250-W lightbulb connected to its proper source voltage of 110 V.

B) Determine the current through a 250-W lightbulb connected to its proper source voltage of 110 V.