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

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Master Biot Savart law and its application to the current carrying circular loop through exam-style multiple-choice questions. This page features 7+ JEE MCQs covering Biot Savart law and its application to the current carrying circular loop, each with verified answers and clear explanations.

Syllabus context

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

C

of the ring. The magnetic field at

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

B

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

0.2 \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

0.53 \dot{A}

with

6.6 \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

\boldsymbol{R}

, carrying current

I

, lies in

x-y

plane with its center at the origin. The total magnetic flux through

x-y

plane is This question has multiple correct options

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