The figure shows a solenoid wound on a core of soft iron. Will the end A be a N pole or S pole when the current flows in the direction shown?

Open in App

Solution

End A of the solenoid will be S pole because the direction of flow of current at this end is clockwise.

Suggest Corrections

Similar questions

Q. If the direction of electric current in a solenoid when viewed from a particular end is anticlockwise, then this end of solenoid will be:

(a) west pole
(b) south pole
(c) north pole
(d) east pole

The figure shows the current flowing in the coil of wire wound around the soft iron horseshoe core. State the polarities developed at the ends A and B.

Q. Figure shows the current flowing in the coil of wire wound around the soft iron horse shoe core. State the polarities developed at the ends A and B

Q. The same current is passed through the following. Which will show the strongest magnetic strength?

(a) straight conducting wire
(b) coil of wire
(c) solenoid wound on a wooden core
(d) solenoid wound on an iron core

An insulated copper wire is wound on a soft iron core. Current is passed through the coil such that at end ‘A’ the current flows anti- clockwise and a magnetic compass needle placed at other end ‘B’ of the coil.

i) If soft iron core is replaced by a cardboard tube, what will be the effect on the magnetic needle?

ii) What happens to the magnetic needle if the current is stopped?

Join BYJU'S Learning Program