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Figure below shows a solenoid with a ferromagnetic core connected to a battery E, ammeter A and rheostat R On the figure indicate; (i)The direction of current...

      

Figure below shows a solenoid with a ferromagnetic core connected to a battery E, ammeter A and rheostat R
fig173102019942.png
On the figure indicate;
(i)The direction of current in the external circuit and around the coils.
(ii)The polarity of the resulting electromagnet
(iii)The direction of the magnetic field lines created around the solenoid

  

Answers


Kavungya
fig183102019944.png
Kavungya answered the question on October 3, 2019 at 06:44


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