What is a solenoid? Draw the pattern of magnetic field lines of (i) A current carrying solenoid and (ii)A bar magnet. List two distinguishing features between the two fields.
Why is the magnetic field line circular outside a solenoid but straight inside the solenoid? - Quora
![Magnetic field inside the solenoid and its influence on the projectile... | Download Scientific Diagram Magnetic field inside the solenoid and its influence on the projectile... | Download Scientific Diagram](https://www.researchgate.net/publication/343778611/figure/fig1/AS:932819551404032@1599412920144/Magnetic-field-inside-the-solenoid-and-its-influence-on-the-projectile-velocity.png)
Magnetic field inside the solenoid and its influence on the projectile... | Download Scientific Diagram
![electromagnetism - What are the limits of validity for the magnetic field of a solenoid? - Physics Stack Exchange electromagnetism - What are the limits of validity for the magnetic field of a solenoid? - Physics Stack Exchange](https://i.stack.imgur.com/IHvMQ.png)