Answer the following questions.

Dear Student

L . C . = 0.01 m m M e a s u r e v a l u e = 1 m m N u m b e r o f d i v i s i o n s = 27 T h u s t o t a l r e a d i n g = M e a s u r e d v a l u e + (n u m b e r o f d i v i s i o n) \times L e a s t C o u n t R e a d i n g = 1 m m + 0.01 \times 27 = 1 + 0.27 = 1.27 m m H e n c e t h e d i a m e t e r o f w i r e i s 1.27 m m = 0.127 c m N o w w h e n t h e z e r o e r r o r i s + 0.005 c m M e a n s w h e n t h e m a s r l i s a t z e r o, t h e a c t u a l r e a d i n g i s 0.005 c m S o, t h e a c t u a l v a l u e o f d i a m e t e r o f w i r e = 0.127 - 0.005 c m = 0.122 c m

Regards