Data Sheet Table I Readings for the determination of AL: Change the load on the hanger in equal steps. Number of sets of readings must be even. No. Load on Positions of the cross wires (cm) Change in the position of the Load Load Average cross wires when load is hanger increasing decreasing (S) changed by M = (gm) gm (Sj) (Sd) 1 Ss - S=X1= 2 3 S6 - S2=X2= 4 5 S7 - S3=X3= 6 7 So - S4=XA= 8 Average X = Table II Readings for the diameter of the wire: Least count of the micrometer = ; Zero error = No. 2 3 4 Average One diameter Perpendicular diameter Average diameter of the wire Diameter of the wire corrected for zero error Radius of the wire, r II Length of the wire (reading 1) II Length of the wire (reading 2) II Average length of the wire, L =