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If you compare two bulbs with the same efficacy, one will be brighter because of its greater power dissipation. Since the bulb is run cooler, it lasts longer since it produces less light. When was the bulb brighter when the current is greater or lesser? The 60W bulb will glow brighter when connected together. The power dissipation will be higher for the bulb with a lower resistance. To find which bulb will be brighter, we need to know how much power is in it. How do you find which bulb will glow brighter in parallel? The parallel circuit has a brighter bulb. The bulbs will not light up with the same brightness. Will the bulbs in both the circuits glow with the same brightness? The 100 watt bulb will be brighter than the 60 watt bulb because of the power dissipated by it. The rated power will be dissipated by the two bulbs that are connected to it. The bulb will be brighter if it is rated at 100W. The higher the wattage, the higher the lm and the more light output will be. A 40 watt bulb is equivalent to 400+ lm, which is the brightness of a bulb. Light bulb brightness is a measure of how much light comes from a bulb. There is a reduction in the effective resistance of the circuit. The bulb will light up when it gets more power.
Light bulb brightness full#
When the bulbs are in parallel, they see the full voltages. In which circuit the bulbs glow brighter Why? When connected to one cell, a bulb is equally bright as if it were connected to two. Two cells are in close proximity to one cell to produce a bulb that is brighter. How can you tell which bulb is brighter in a circuit?Ī bulb that is connected to two cells in a row is brighter than one that is connected to two cells in a row.
In which circuit the bulbs glow brighter Why?.How can you tell which bulb is brighter in a circuit?.
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