Toby Flashcards
1
Q
what is an eddy current
A
An eddy current is a circular current induced by a conductor that is stationary in a changing magnetic field.
2
Q
detremine the direction of the eddy current in the following image
A
3
Q
give an example of where eddy currents are used
A
- Electromagnetic braking
- Induction Cooktops
- Induction Furnaces
4
Q
outline and advantage of indution cooktops
A
- safer due to no heat on the cook top after the device is turned off
- all the heat energy is released into the cooking pan, resulting in zero thermal energy loss
- induction cooktops have 80% efficiency
5
Q
A
