Light is produced in a VFD by a. ionic bombardment of a filament b. ambient temperature c. bombardment of a phosphor by energetic electrons d. chemical action Fuel economy is calculated in a trip...

Light is produced in a VFD by

a. ionic bombardment of a filament

b. ambient temperature

c. bombardment of a phosphor by energetic electrons

d. chemical action

Fuel economy is calculated in a trip computer by:

a. S × F

b. F/S

c. S/F

d. none of the above