A charge q is coulomb are circulating in an orbit of a radius r meter making n revolutions per second. The magnetic field produced at the centre of the centre of the circle is N/Am are A charge q is coulomb are circulating in an orbit of a radius r meter making n revolutions per second. The magnetic field produced at the centre of the centre of the circle is N/Am are November 18, 2021 Category: Cengage NEET by C.P Singh , Chapter 5 - Magnetic Field , Part 2 , Facebook Messenger WhatsApp Share this:TwitterFacebook Related