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Hard Biot Savart law and its application to the current carrying circular loop MCQs for JEE

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Hard Biot Savart law and its application to the current carrying circular loop MCQs train multi-concept problem solving — attempt after mastering easy and medium sets (7+ on Goodmarks).

Push your limits with hard Biot Savart law and its application to the current carrying circular loop MCQs designed for JEE Advanced-level thinking. 7+ questions with detailed solutions.

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Part of Magnetic Effects of Current and Magnetism in JEE Main Physics.

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Q1PhysicsUnit 13: Magnetic Effects of Current and Magnetism
Lis a circular ring made of a uniform wire. Current enters and leaves the rind through straight conductors which, if produced, would have passed through the centre CC of the ring. The magnetic field at C:C: This question has multiple correct options
Q2PhysicsUnit 13: Magnetic Effects of Current and Magnetism
A wire in the form of a circular loop of one turn carrying a current produces a magnetic field BB at the centre. If the same wire is looped into a coil of two turns and carries the same current, the new value of magnetic induction at the centre is:
Q3PhysicsUnit 13: Magnetic Effects of Current and Magnetism
The Magnetic effect of current was discovered by:
Q4PhysicsUnit 13: Magnetic Effects of Current and Magnetism
The electric current in a circular coil of two turns produced a magnetic induction of 0.2T0.2 \mathrm{T} at its centre. The coil is unwound and then rewound into a circular coil of four turns. If same current flows in the coil, the magnetic induction at the centre of the coil now is:
Q5PhysicsUnit 13: Magnetic Effects of Current and Magnetism
In hydrogen atom, an electron is revolving in the orbit of radius 0.53A˙0.53 \dot{A} with 6.6×10156.6 \times 10^{15} radiation/s. Magnetic field produced at the centre of the orbit is
Q6PhysicsUnit 13: Magnetic Effects of Current and Magnetism
A moving charge will produce
Q7PhysicsUnit 13: Magnetic Effects of Current and Magnetism
A circular loop of radius R\boldsymbol{R}, carrying current II, lies in x−yx-y plane with its center at the origin. The total magnetic flux through x−yx-y plane is This question has multiple correct options

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