Question

If the pointer of the voltmeter is not exactly at the zero of the scale, then the error is called ______.

Options

• instrumental error

• systematic error

• personal error

• random error

Answer 1

If the pointer of the voltmeter is not exactly at the zero of the scale, then the error is called systematic error.

Explanation: 

Zero error gives a constant shift in all readings, so it is a systematic error.