Physics · JEE

Important Questions: Biot Savart law and its application to the current carrying circular loop for JEE

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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

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

Q3PhysicsUnit 13: Magnetic Effects of Current and Magnetism

A moving charge will produce

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