'Did you know that US currency is attracted to a magnet? There are iron particles in the ink that is causes this attraction.' Rob Gallagher - Rob the 'MagnetNerd'
Making a Magnet Electric Magnets are created using
Ex 3) Magnetic field around a Single Loop of Wire w/ current
A loop of wire with current
North Pole is either
Finding N. and S. Pole
Step 1 - Current travels from (-) to (+) terminal, DRAW
the direction of the current on the wire
Step 2 - Palms away, thumb in direction
of current
Step 3 - Curl fingers of left hand into loop Why Left and not right??
Step 4 - Note where four fingers tips are
pointing when they enter the INSIDE
of the loop
Fingers tips - NORTH POLE of the magnetic field
North Pole
Below
South Pole??
Above
North Pole
Below
North Pole
Above
South Pole
Below
If (+) and (-) terminals are reversed
Magnetic Poles?
Poles are reversed
ŠTony Mangiacapre.,
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