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Field of a Circular Loop for GUJCET: 4 solved questions

Real GUJCET paper questions on field of a circular loop, part of moving charges and magnetism. Each opens with the options, the correct answer and a step-by-step solution. Papers run from 2007 to 2025. No sign-in needed to read them.

What this topic asks

• Rotating charges and multiple loops — 2 questions
• Centre and axis of a loop — 2 questions

All 4 questions with solutions

• Two identical coils having same number of turns and carrying equal current have common centre and their plane… GUJCET 2007
• The magnetic field due to a current carrying circular loop of radius 6 cm at a point on the axis at a distanc… GUJCET 2013
• Two concentric rings are kept in the same plane. Number of turns in each ring is 25. Their radii are 50 cm an… GUJCET 2014
• The ratio of magnetic field at the centre of the ring of radius R to the point on the axis at a distance 2√2… GUJCET 2025