Question

how to find the zero error in ammeter and voltmeter readings?​

Answer 1

$\huge\mathfrak{Answer}$

▶If the pointer of the ammeter or voltmeter is exactly at zero, when it is not connected to the circuit, then the instrument has zero error.

▶If the pointer is above the zero mark, the the zero error is negative.

▶The number of divisions it is above the zero mark are to be subtracted from the reading.

Answer 2

Hey mate...!!! Refer to the attachment...!!!

Hope it helps uh...!!!

☺☺