The distance of two points on the axis of a magnet from its center is 10 cm and 20 cm respectively. The ratio of magnetic intensity at these points is 12.5:1. The length of the magnet will be

Options :
  1. 5 cm
  2. 25 cm
  3. 10 cm
  4. 20 cm
Answer and Explanation :-

Answer: Option 3


Sorry there is no explanation for this answer. Please help others by posting your response below

How do you rate this queston?  Very Easy  Easy  Average  Above Average  Tough

Previous Question : Twists of suspension fiber should be removed in vibration magnetometer so that

Next Question : Sum and difference method for comparing magnetic moments of two magnets with the help of vibration ...

Click here for online test on Magnetism


 (Getemail alerts when others member replies)

More questions and answers on Indian History :-

And therein lies the whole of man's plight. Human time does not turn in a circle it runs ahead in a straight line. That is why man cannot be happy: happiness is the longing for repetition.
-Milan Kundera The Unbearable Lightness of Being