Consider a circular arc of radius `R` which subtends an angle `phi` at its centre .Let us calculate the electric field strength at `C`

A current i ampere flows in a circular arc of wire whose radius is R , which subtend an angle 3pi//2 radian at its centre. The magnetic induction B at the centre is

A current i ampere flows in a circular arc of wire whose radius is R , which subtend an angle 3pi//2 radian at its centre. The magnetic induction B at the centre is

A current i ampere flows in a circular arc of wire whose radius is R , which subtend an angle 3pi//2 radian at its centre. The magnetic induction B at the centre is

A current i ampere flows in a circular arc of wire whose radius is R , which subtend an angle 3pi//2 radian at its centre. The magnetic induction B at the centre is

If the arc of a circle of radius 60 cm subtends and angle 2/3 radian at its centre , then the length of the arc will be

An arc of a circle of raduis R subtends an angle (pi)/2 at the centre. It carriers a current i . The magnetic field at the centre will be

An arc of a circle of raduis R subtends an angle (pi)/2 at the centre. It carriers a current i . The magnetic field at the centre will be