Hello and here is a question for our electrical friends.
I have purchased an electric toothbrush, the rechargable type. It comes with a fancy 240 volt charger but what I find unusual is that there are no metal contacts on either the battery or the charger.
What I am saying is that the battery has a plastic surface, the charger also has a plastic surface so how does the current enter the battery during charging?
Thank you.
2007-01-13 20:19:45 · 5 answers · asked by Not Ecky Boy 6 in Consumer Electronics ➔ Other - Electronics
I was fascinated by that as well when I got my toothbrush, In short, it is by induction. There is a coil in the base, and when fed with alternating current it produces a magnetic field. The electric tootbrush is wired in such a way in that it is able to generate a current induced by the magnetic field produced by the base. This current is converted to DC and charges an internal battery in the toothbrush.
2007-01-13 20:30:30 · answer #1 · answered by Michael T 5 · 3⤊ 0⤋
i assume it works on the transformer theory, the known could be linked interior the backside station and the handset in all danger has the secondary, while the two come jointly a low voltage could be triggered interior the secondary, that's switched over to dc to cost the battery
2016-12-12 11:02:04 · answer #2 · answered by Anonymous · 0⤊ 0⤋
I think it is because the charger generates heat, this heat goes into the toothbrush nad turned beck into electricity, that's why they take a while to charge.
2007-01-13 20:37:01 · answer #3 · answered by SlimSonny 2 · 0⤊ 2⤋
it uses inductors to induce the current, the same way your emobilizer works in your car
2007-01-13 22:46:20 · answer #4 · answered by csnape2003 3 · 0⤊ 0⤋
Similar to an isolating transformer - INDUCTION, look it up!
2007-01-13 22:10:51 · answer #5 · answered by jayktee96 7 · 0⤊ 0⤋