Final Answer:
Devices that can be used to measure current in a circuit include the multimeter and the ammeter.
Step-by-step explanation:
The multimeter is a versatile device that can measure various electrical quantities, including current. It typically has a dial or a selector switch that allows the user to choose the desired measurement function, such as current (in amperes), voltage (in volts), or resistance (in ohms). To measure current with a multimeter, it is necessary to connect the meter in series with the circuit. The multimeter will then measure the current flowing through the circuit.
An ammeter, on the other hand, is a specialized device designed specifically for measuring current. It is typically connected in series with the circuit and provides a direct reading of the current flowing through it. Unlike a multimeter, which can measure multiple quantities, an ammeter is dedicated solely to measuring current. Ammeters are available in different ranges to accommodate various current levels.
When measuring current with either a multimeter or an ammeter, it is important to ensure that the device is properly connected in series with the circuit. This means that the current flows through the meter itself, allowing it to accurately measure the current. Additionally, care should be taken to select an appropriate range on the device to avoid damaging it or obtaining inaccurate readings.
In summary, both the multimeter and the ammeter are commonly used devices for measuring current in a circuit. The multimeter offers versatility by allowing measurement of various electrical quantities, including current, while an ammeter is specifically designed for measuring current and provides a direct reading.