What is solyndra the field lines of a magnetic field produce on passing current through and around a current carrying alright?
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A solenoid is a long straight insulated wire, often wrapped around a cylinder-shaped body. A copper coil is wound around a cylindrical core, such that the cores diameter is lesser than its length. It produces a magnetic field when electric current is passed through it.A strong magnetic field is produced inside a solenoid when a current is allowed to pass through it.
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