No...it lights up the fog making vision worse. Fog normally is least dense at the bottom and rarely reaches all the way to the ground. Thats why fog lights are way down low and why low beams are better than high beams when driving in fog.
low beam
Low beams
Check fuses and high/low beam switch.
when you see there tail lights. White lights travel farther then red lights.
500 feet
Your low beam lights should be on when driving after sunset (twilight) and when it is raining. Some states require headlights or daytime running lights to be on in various conditions or at various times.You should not use your high-beam lights when you are closely behind another vehicle, or when approaching another vehicle head-on on a two-way road.
Tap at the plug at headlight Hi-Beam
Never!
In such conditions, full beam would reflect back and dazzle the driver. Dipped beams should be used.
Bulbs blew
May be a bad switch
high beam is for open country driving when there is no traffic in sight