If the bottom of a storm cloud gets a negative change, then what charge will be generated on the surface of the Earth directly under the storm cloud?
positive
negative
The is Earth is so big that it will remain neutral under the cloud.
If the bottom of a storm cloud gets a negative change, then what process is responsible for helping Earth to develop its charge?
triboelectric effect
induction
charge sharing
After driving down the road a friend outside of your comes over and gets shocked when he tries to touch your car. Which effect is repsonsible for your car picking up the charge?
tribielectric effect
induction
charge sharing
In the Northern US, when the temperatures are around 0° F and the wind is blowing snow around, it is not uncommon to get a shock when touching a metal chain link fence. What process is giving the fence a charge?
triboelectric effect
induction
charge sharing
You are staying in hotel up north where they use electric heat. This is a very dry heating process. You walk across the carpeted floor in your slippers. Reach for the door knob, and when your hand is about 2 cm away from the door knob you get a shock. Which process is involved when the 2 cm long shock occurs?
tribolectric effect
induction
charge sharing
You are staying in hotel up north where they use electric heat. This is a very dry heating process. You walk across the carpeted floor in your slippers. Reach for the door knob, and when your hand is about 2 cm away from the door knob you get a shock. Which of these three steps involves induction?
"You walk across the carpeted floor in your slippers."
"Reach for the door knob..."
"...when your hand is about 2 cm away from the door knob you get a shock."