Solution to Frame 67
FRAME 68
lamp
switch
positive
Inside the lamp is a wire filament that heats up and
"glows" when electrons pass through it, thereby
producing the __________ by which we see the
dashboard instruments.
Solution to Frame 68
FRAME 69
You may have noticed that if a car battery gets
light (glow)
weak (loses voltage), the dashboard light gets
_____________________________.
Solution to Frame 69
FRAME 70
If you have this weak battery recharged (restoring
weak (dim, less bright, etc.)
the voltage), the dim light then gets ___________.
Solutions to Frame 70
FRAME 71
What happens is that when the voltage in the
brighter (stronger, etc.)
battery decreases, the number of electrons passing
through the filament _____________________.
Solutions to Frame 71
FRAME 72
When the voltage increases after recharging the
decreases
battery, the number of electrons passing through
the filament ______________________.
FRAME 73
Solution to Frame 72
The relationship between voltage and current is
when voltage increases, current ______________.
increases
MD0902
1-18