Start learning →

Magnetic field at the centre of a current-carrying square loop is greater than at the centre of a circular loop of the same perimeter:

Anever
Balways
Conly in vacuum
Donly for high currents
Answer & Solution
Correct answer: B. always
For equal perimeter and current, square's centre field is greater than circle's.
Practise this question with Quill — NEET UG →

Keep practising Magnetism and Matter

Browse all Magnetism and Matter questions for NEET UG, or explore more Physics topics.

Start a Magnetism and Matter lesson →
Related questions
Spot the one that does not fitFill the gaps on magnetismFollow the swinging needleBar magnet or solenoidMagnetic or electric linesMatch each idea to its statementQuick picks on magnetismTrue or false on magnetism