Home › Karnataka PUC II › Physics › Magnetism and Matter › The pole strength of a magnet has SI unit
The pole strength of a magnet has SI unit
AAmpere-metre
BTesla
CAmpere/metre
DAmpere
Answer & Solution
Correct answer: A. Ampere-metre
Pole strength m_p has unit A·m; magnetic moment of a bar magnet = m_p × 2l (A·m²).
Related questions
Substances holding ferromagnetism for a long time are:Above the Curie temperature a ferromagnet turns into:Alnico is an alloy of iron, aluminium, nickel, cobalt and:Ferromagnets keeping their magnetisation afterwards are called:Substances that get strongly magnetised in a field are:Substances that get weakly magnetised in a field are:Substances pushed away from a strong magnetic field are:Declination, dip and the horizontal component are called the: