Which answer is consistent with a replacement of light bulb that will increase the intensity (brightness) of the light in a room

What increases the brightness of a light bulb?

Increasing the voltage increases the brightness of the bulb. When a bulb in a series circuit is unscrewed all bulbs in the circuit go out. Increasing the number of bulbs in a series circuit decreases the brightness of the bulbs. ... Bulbs in parallel are brighter than bulbs in series.

b.

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