Choose the wrong statement for zero error and zero correction.

Options

A. If the zero of the vernier scale does not coincide with the zero of the main scale then the instrument is said to be having a zero error.
B. Zero correction has a magnitude equal to zero error but sign is opposite to that of the zero error.
C. Zero error is positive when the zero of vernier scale lies to the left of the zero of the main scale.
D. None of the above is wrong

Answer

C