Final answer:
The recommended way to place an ammeter within a circuit is in series with the component being measured to ensure it captures the full current passing through that component.
Step-by-step explanation:
The recommended way to connect an ammeter to a circuit is in series. This approach is used because objects that are connected in series have the same current flowing through them. An ammeter measures the current, so it needs to be able to detect the entire current that is passing through the component it is intended to measure. For instance, if two resistors are connected in series with a battery, a single ammeter would be placed in series with the resistors, as shown in figures provided in reference materials.
Similarly, when multiple resistors are connected in parallel, a separate ammeter reading is necessary for each branch to measure the individual currents properly. An ammeter positioned in series within a circuit, allowing it to correctly measure the current through the system regardless of the potential difference, which is denoted by the capital E for electromotive force (emf).