The magnetic needle of a tangent galvanometer is deflected

Last updated: 6/8/2023

The magnetic needle of a tangent galvanometer is deflected by an angle 60 due to a magnetic field of the current carrying coil at the centre of the coil The horizontal component of earth s magnetic field 0 34 x 10 4 T The magnetic field of coil is 1 96 x 10 4 T 5 9 x 10 4 T 5 9 10 5 T 5 9 x 105 T