What is the normal procedure for checking electrical circuits?

The correct process for checking electrical circuits involves connecting the voltmeter in parallel and the ammeter in series. This method allows for accurate measurements of voltage and current in a circuit.

When measuring voltage, the voltmeter must be connected in parallel because it is designed to measure the potential difference across two points in a circuit without significantly affecting the current flow. Connecting it in parallel ensures that it can measure the voltage while allowing the entire system to function normally.

On the other hand, when measuring current, the ammeter needs to be connected in series with the circuit. This ensures that all current flowing through the circuit also passes through the ammeter. If the ammeter were connected in parallel, it would create a short circuit, leading to potentially dangerous situations and inaccurate readings.

Using this correct configuration enables accurate diagnostics of electrical performance, allowing technicians to identify issues and ensure circuits operate safely and efficiently.