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Problem

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Textbook Expert
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31 Oct 2021

Given information

It is given that the light bulb of 250W is connected to its proper voltage source of 110V, therefore from the formula

Step-by-step explanation

Step 1.

 

The Ohm’s law tells that the ratio of voltage drop (V) and the current (I) passing through a resistance (R) is ideally constant which is equal to the value of that resistance itself, i.e.,

 V=IR

The power consumption by a resistor is given as,

 

 

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