Physics · JEE

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

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Quick answer

Master Biot Savart law and its application to the current carrying circular loop by understanding definitions, standard results, and typical JEE question patterns — then practise with syllabus-aligned MCQs on Goodmarks.

Build clear conceptual foundations for Biot Savart law and its application to the current carrying circular loop before speed practice. This guide covers what JEE expects and how to test yourself with MCQs.

Concept explainer

Biot Savart law and its application to the current carrying circular loop is a core JEE Main Physics subtopic under Magnetic Effects of Current and Magnetism. Master the definitions, standard results, and typical MCQ patterns tested in JEE Main and Advanced.

Key points

Understand the definition and scope of Biot Savart law and its application to the current carrying circular loop in the JEE syllabus
Memorise key formulas and standard results linked to Biot Savart law and its application to the current carrying circular loop
Practise 20–40 syllabus-aligned MCQs with step-by-step solutions

JEE tips

Revise Biot Savart law and its application to the current carrying circular loop with a one-page formula sheet before attempting mixed tests
After each practice set, log mistakes specific to Biot Savart law and its application to the current carrying circular loop and reattempt after 48 hours

Common trap

Students often rush Biot Savart law and its application to the current carrying circular loop questions without checking units, sign conventions, or boundary conditions — always verify assumptions before calculating.

Syllabus context

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

Free sample questions

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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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Frequently asked questions

What concepts in Biot Savart law and its application to the current carrying circular loop are essential for JEE?

Focus on core ideas across Biot Savart law and its application to the current carrying circular loop. JEE tests application, not just memorisation.