state two important feature of magnetic field obtain inside solenoid write one use of solenoid at what will be the polarity of one end of foreign and if the current appear to be following anticlockwise in it right the nature of MF inside the solenoid
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"The two features of the magnetic field are:
• The lines will never intersect each other.
• The lines are the closed loops.
The polarity will be the North Pole and the S pole as it will be determined with the help of End rule. The anticlockwise or clockwise direction will fix the polarity of a solenoid.
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