The magnetic field around a solenoid
Solenoid · Grip rule · Magnetic flux
Say what a solenoid is
Find its poles with a compass
Use the right-hand grip rule
Explain electromagnets and magnetic flux
A straight wire with current has circular field lines
In a loop, the fields from every part add up
Many loops make one strong field through the coil
A solenoid is a cylindrical coil of insulated wire
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