Question

three difference between ammeter and voltmeter

Answer 1

Ammeter is used for measuring the current but voltmeter is used for measuring the volts.
Ammeter is always connected in series and voltmeter always connected in parrallel.

Answer 2

ammeter:it is the instrument used to measure the current.
voltmeter:it is the instrument used to measure voltage.
ammeter:it's symbolic representation is A.
voltmeter:it's symbolic representation is V.
ammeter:it's resistance is low
voltmeter:it's resistance is high
ammeter:it is connected in series
voltmeter:it is connected in parallel