Science
(i) What is a solenoid ?
(ii) Draw the pattern of magnetic field lines of the magnetic field produced by a solenoid through which a steady current flows.
Electro-Magnetism
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Answer
(i) A coil of many circular turns of insulated copper wire wrapped closely in the shape of a cylinder is called a solenoid.
(ii) The pattern of magnetic field lines of the magnetic field produced by a solenoid through which a steady current flows is shown below:
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