draw magnetic field line around the current carrying solenoid . How will you determine the polarity of ends of current carrying solenoid
Answers
Answer:
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Explanation:
The magnetic fields produced by the solenoid are similar to the magnetic field produced by a bar magnet. The polarity of the magnetic field (that is, which end is magnetic-north or magnetic-south) can be found from the Right hand thumb rule. If we hold the solenoid in our right hand, so that the fingers curl around it in the direction of the conventional current flow, then the thumb will point to the north pole of the magnet.
Note: The polarity of a solenoid can be reversed by reversing the direction of the current.
Answer:
A solenoid is a long coil of wire wrapped in many turns. The magnetic field within a solenoid depends upon the current and density of turns. Its direction depends on the direction of the current. When a current passes through it, it creates a nearly uniform magnetic field inside or along the axis of the solenoid. Outside the coil or solenoid, that is, at the ends and beyond the magnetic field is small and appears to diverge.
This divergence is because the distance from the current carrying solenoid increases. The distance from the current carrying conductor and the magnetic field are inversely proportional. That is, as distance increases, magnetic field strength decreases. The direction of the current and magnetic field are given by Right hand thumb rule.
