Moving Charges and Magnetism â CBSE Class 12 Physics Important Questions & Revision Notes
What is the SI unit of magnetic field?
The magnetic force on a moving charge $q$ moving with velocity $v$ in a magnetic field $B$ is given by:
Bio-Savart law gives the expression for the magnetic field due to a:
What is the magnetic field at the center of a circular current-carrying coil of radius $R$ and current $I$?
Ampere's Circuital Law relates the line integral of magnetic field around a closed loop to:
The magnetic field inside a long straight solenoid-carrying current $I$ with $n$ turns per unit length is:
The force per unit length between two parallel long straight conductors carrying currents $I_1$ and $I_2$ separated by a distance $d$ is:
A galvanometer can be converted into a voltmeter by connecting a:
A galvanometer can be converted into an ammeter by connecting a:
The torque $\tau$ experienced by a current loop of magnetic dipole moment $M$ placed in a uniform magnetic field $B$ is: