Question

Picture depicts the current flowing through a solinoid .[a] . Find whether the direction of electric current at the end A is in clockwise direction or anti clockwise direction [b.]which magnetic pole is formed at the end A. [ c ]Give any two methods by which the magnetic strength of the Solinoid can be increased
3 points
Captionless Image​

Answer 1

Answer:

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Answer 2

Answer:

(i) If the magnetic needle attracts the one end of the solenoid then it is south pole and if it is repelled by it mark it as the north pole.

(ii) The end of the solenoid through which current flows in the clockwise direction is the south pole and the end through which current flows in the anti-clockwise direction is the north pole.

(iii) When a solenoid is held in the right hand and if the four fingers represent the direction of the current flow, then the thumb represents the direction of the North pole.