Keyword Analysis & Research: why are filaments used in light bulbs

Keyword Analysis

Keyword	CPC	PCC	Volume	Score	Length of keyword
why are filaments used in light bulbs	0.86	0.7	4191	34	37
why	1.9	0.7	6210	13	3
are	1.67	1	7822	58	3
filaments	1.69	0.1	1721	78	9
used	1.97	1	4824	22	4
in	0.93	0.3	6389	39	2
light	0.56	0.8	5946	4	5
bulbs	1.47	0.4	6924	16	5

Keyword	CPC	PCC	Volume	Score
why are filaments used in light bulbs	0.29	0.9	6454	7