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E+M Warmups

Physics is not a discipline, but a way of looking at the world. See if you can use your sense of the world to explain everyday phenomena.

Charges in the wild

You're skydiving and you realize that you're going toward a pair of high voltage transmission lines. You have enough control to try any of the choices given. Which should you choose if you want to stay alive?

Which activity is more likely to start a fire at a gas station?

In microwave ovens, why are you advised against using metal containers to heat your food?

The Northern lights are a beautiful display of colored light in the sky. What causes them?

When using an induction stove, why are stainless steel vessels preferred to other good conductors of heat like copper, brass and aluminium?


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