Torque Equation of Moving Iron Instrument

[@GopalKumar-z2c]

Thanks sir 🎉🎉🎉🎉🎉🎉🎉🎉

[@AnshuKumari-o4k]

Thank you sir 🙏

[@ACHIEVING_INFINITY]

thanks sir 🙂, please upload all lectures of measurement . and try to keep it short sir