Solution to Frame 67
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
Solution to Frame 68
You may have noticed that if a car battery gets
weak (loses voltage), the dashboard light gets
Solution to Frame 69
If you have this weak battery recharged (restoring
weak (dim, less bright, etc.)
the voltage), the dim light then gets ___________.
Solutions to Frame 70
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
When the voltage increases after recharging the
battery, the number of electrons passing through
the filament ______________________.
Solution to Frame 72
The relationship between voltage and current is
when voltage increases, current ______________.