an electric current is measured by a tangent galvanometer ,the current being proportional to the tangent to the angle of deflection. if the deflection is read as 45 degrees and an error of 1% is made in reading it, then find the percentage error in the current
an electric current is measured by a tangent galvanometer ,the current being proportional to the tangent to the angle of deflection. if the deflection is read as 45 degrees and an error of 1% is made in reading it, then find the percentage error in the current










