Question

What is a voltmeter?​

Answer 1

$\huge\blue{Voltameter:-}$

it is a scientific instrument used for measuring quantity of electricity through electrolytic action.

SI unit of quantity of electricity is the Coulomb.

Types of Voltameter:-

silver Voltameter

Cooper coulometer

Mercury Voltameter

Sulphuric acid Voltameter

Answer 2

Answer:

Explanation:

Voltmeter is a device which is used to measure the potential difference between two points in a circuit.The SI unit of potential difference is Volt.It is usually connected in parallel with the circuit unlike ammeter which is in series with the circuit.Voltmeter has various applications in various types of experiments in Physics,for example potentiometer,metre bridge etc.