![inductance - What do the magnetic fields lines produced by a solenoid made out of another solenoid look like? - Physics Stack Exchange inductance - What do the magnetic fields lines produced by a solenoid made out of another solenoid look like? - Physics Stack Exchange](https://i.stack.imgur.com/WaJJK.png)
inductance - What do the magnetic fields lines produced by a solenoid made out of another solenoid look like? - Physics Stack Exchange
![Draw the magnetic field lines for a current carrying solenoid when a rod made of (i) copper, (ii) aluminium and (iii) iron are inserted within the solenoid as shown. Draw the magnetic field lines for a current carrying solenoid when a rod made of (i) copper, (ii) aluminium and (iii) iron are inserted within the solenoid as shown.](https://dwes9vv9u0550.cloudfront.net/images/2685162/be272f8c-9dba-4307-b1b8-0777240f923e.jpg)
Draw the magnetic field lines for a current carrying solenoid when a rod made of (i) copper, (ii) aluminium and (iii) iron are inserted within the solenoid as shown.
![If the key in the arrangement, [figure] is taken out (the circuit is made open) and magnetic - YouTube If the key in the arrangement, [figure] is taken out (the circuit is made open) and magnetic - YouTube](https://i.ytimg.com/vi/4u-lYvnczWQ/maxresdefault.jpg)