## The power rating of a light bulb (such as a 100-W bulb) is the power it dissipates when connected across a 120-V potential difference. Part

Question

The power rating of a light bulb (such as a 100-W bulb) is the power it dissipates when connected across a 120-V potential difference. Part A What is the resistance of a 150 W bulb? R = nothing Ω Request Answer Part B How much current does the 150 W bulb draw in normal use?

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Physics
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2021-07-22T19:24:02+00:00
2021-07-22T19:24:02+00:00 1 Answers
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## Answers ( )

To solve this problem we will apply the concepts related to the calculation of power, from the two electrical forms:

Here,

V = Voltage

I = Current

R= Resistance

P = Power

PART A)

Replacing,

Resistance of bulb is

PART B)

The bulb will draw 1.25A current