V70: Electrical P3 Parking Light Bulb Removal

[Tatsfield]

More resistance = more heat and light generated by the current overcoming the resistance of the conductor. Less resistance and the current passes through the conductor without causing and other energy release. Unless they changed physics since I took at at GCE "O" Level.

[Moondust70]

Originally Posted by Tatsfield

More resistance = more heat and light generated by the current overcoming the resistance of the conductor. Less resistance and the current passes through the conductor without causing and other energy release. Unless they changed physics since I took at at GCE "O" Level.

Err ..... No

More resistance will equal less current for a given voltage (i.e 12 - 14V). Less current means the filament will not glow so brightly.

However, all this theory is academic ............... the filaments in the brighter bulbs use different alloy technology which glows brighter than the normal tungsten bulb. The downside is that their longevity is poor, especially on a car that uses headlights for daytime running. After a few repeated tests ....... a standard bulb lasts on avg 20k miles ........... a high brightness bulb on avg lasts 6K miles .............. expensive motoring for not a huge difference.

[I-S]

Originally Posted by Tatsfield

More resistance = more heat and light generated by the current overcoming the resistance of the conductor. Less resistance and the current passes through the conductor without causing and other energy release. Unless they changed physics since I took at at GCE "O" Level.

Power = (VxV)/R

The smaller R is, the bigger the power is.

Unless they have changed physics since I was awarded my BEng Electronic Engineering (Hons) and worked up to Senior Design Engineer...

[MartinK]

Just FYI, I previously "upgraded" the sidelights with LED bulbs (just cheap Chinese ones off ebay). The LED lamps were slightly brighter than the original lamps, but I am sure "went off" over time.
I just hunted around and bought some "OSRAM LEDriving Standard W5W Cool White "... BRILLIANT!
They fit perfectly and offer a lovely bright light. £9 well spent!