Force between two unit pole strength placed at a distance of one metre is
A
1 N
B
`(10^(-7))/(4pi)N`
C
`10^(-7)N`
D
`4pixx10^(-7)N`
Text Solution
Verified by Experts
The correct Answer is:
C
Topper's Solved these Questions
MAGNETISM
ERRORLESS |Exercise Magnet and it s Properties|15 Videos
MAGNETISM
ERRORLESS |Exercise Earth Magnetism|8 Videos
MAGNETIC EFFECT OF CURRENT
ERRORLESS |Exercise Exercise|394 Videos
RAY OPTICS
ERRORLESS |Exercise SET|25 Videos
Similar Questions
Explore conceptually related problems
The gravitational force between two stones of mass 1 kg each separated by a distance of 1 metre in vacuum is
The force of attraction between two unit point masses separated by a unit distance is numerically equal to
A magnetic pole of strength q_m is placed at a distance of 20 cm from another magnetic pole of triple its strength. If the two poles exert a force of 2.5 g f on each other, find the strength of each pole.
What is happens to the force between magnetic poles when their pole strenght and the distance between them both gets doubled ?
The force experienced by a pole of strength 100 Am at a distance of 0.2 m from a short magnet of length 5 cm and pole strength of 200 Am on its axial line will be
The magnetic induction at a distance 'd' form the magnetic pole of unkown strength 'm' is B . If an identical pole is now placed at a distance of 2d from the first pole, the force between the two poles is
Two magnetic poles exert a force equal to 2kg f on each other, when placed at a distance of 4cm in air. If strength of one pole is eight times the strength of the other pole, what is the strength of stronger pole? (Take g=10m//s^2 )
A pole of pole strength 80 Am is placed at a point at a distance 20cm on the equatorial line from the centre of a short magnet of magnetic moment 20 Am^(2) . The force experienced by it is
