Why does the girl's hair stand on their end when she touches the Van de Graaff generator?
What should you do to remain safe during a thunderstorm?
Why do microwave ovens have a metallic net in the door?
The persons standing inside the metal cage are not affected by the electric current.
Why is it safe to stand inside the cage?
Many buildings have rods attached at the top, called lightning rods. During a thunderstorm, lightning only hits the lightning rod and the rest of the building remains safe.
What property of the lightning rod helps it attract lightning?