Nate Core Practice Test 2025 – Comprehensive Exam Prep

Question: 1 / 400

How should an ammeter be applied to a circuit or load?

In series

An ammeter measures the current flowing through a circuit or a load, and to obtain an accurate reading, it must be connected in series with the circuit. When placed in series, the current that flows through the circuit also flows through the ammeter, allowing it to measure the total current accurately.

Connecting an ammeter in parallel with a circuit could create a short circuit, leading to a potentially dangerous situation, and would not provide a correct reading of the current. Similarly, while using a multimeter can be a method to measure current, it is important to note that the multimeter must also be set up in series to measure current correctly. Thus, to ensure proper functioning and safety, the ammeter needs to be installed in series with the circuit or load being measured.

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In parallel

In series with a voltage source

With a multimeter

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