Voltmeter

 A voltmeter


A voltmeter is an electrical measuring instrument used to measure the voltage (electric potential difference) between two points in a circuit.


Key characteristics:


1. Measures voltage (in volts, V)

2. Typically connected in parallel to the circuit

3. High input impedance to minimize loading effects


Types:


1. Analog voltmeter (uses a needle and scale)

2. Digital voltmeter (displays numerical readings)


Applications:


1. Electrical troubleshooting

2. Circuit testing

3. Electronics repair

4. Power system monitoring


How it works:


A voltmeter measures the voltage drop across its terminals, allowing you to determine the electric potential difference between two points in a circuit.

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