G'day, Jacob from Make Science Fun, thanks for joining us today.
Sam and I are just hanging out in this park
Hello everybody!
And Sam is on the electromagnetic swing!
Let's fire it up by pressing this button.
 
[Sam laughs]
Woo Hoo! When the button is pressed it completes the circuit and electricity flows
causing an
electromagnetic force.
The current flows down the left hand side
and then across to the right
and then back up again.
But do you notice the magnet down the bottom? Well...
as the current travels to the right and
the magnetic field is going up
the wire experiences a force towards me
causing a push on the swing.
You can use the right hand rule for this..
the fingers represent the magnetic field
the thumb shows the direction of the
current...
and the palm shows the direction of the push, which is
towards me
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Bye!         Bye Bye..
