The accuracy of M.C.G.

If the fractional error in the measurement of current by M.C.G. is minimum then accuracy of M.C.G. is

For the maximum accuracy of M.C.G. deflection should be

With the help of vernier caliper we can have an accuracy of 0.1 mm and with screw gauge we can have an accuracy of 0.01 m m .

In a simple pendulum experiment, length is measured as 31.4 cm with an accuracy of Imm. The time for 100 oscillations of pendulum is 112.0s with an accuracy of 0.1s. The percentage accuracy in g is