what is a solenoid ? compare the magnetic field produced by a solenoid with the magnetic field of a bar magnet. draw neat figures and name various components.
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The magnetism retains in the bar magnet naturally but in solenoid the magnetism is there so long current flows through it. 3) Magnetic field of a bar magnet emanates from throughout the body of the magnet, with more intensity at the poles. While there is no field emanating from the lateral surface of the solenoid.
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i was lucky as in my 10th boards this chapter was removed from the syllabus
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