We can attach the bulbs in the collection or parallel follow to the preferred application. The lumen the the bulb relies on the present flowing through the pear element.The heating result depends top top the current and also the resistance the the bulb. The heat developed by the pear is proportional to the product that the square of the current and the resistance.

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Therefore, a 50-watt bulb will glow brighter than a 100-watt pear when associated in the series.