How is an ammeter connected in the circuit to measure the current flowing through a resistor?

Question

Answer

Ammeter connect in series with resistor in circuit to measure current

Answer

Ammeter is connected in series

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An ammeter is connected in series to the circuit.

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Connected in series.

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Connect a Ammeter in series with resistor.

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》Ammeter--->In series to the circuit

》Voltmeter--->Parallel to the circuit

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Amiter is connected in series and voltmeter is connected in parallel

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series

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Ammeter is connected in series in electric circuit for the measurement of current flowing through it

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Ammeter is connected in series

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Connecting an Ammeter in a Circuit to Measure Current

To measure the current flowing through a resistor in a circuit, an ammeter is used. An ammeter is a device that is specifically designed to measure electric current. It is connected in a series with the resistor in order to measure the current passing through it. Here is a detailed explanation of how an ammeter is connected in a circuit:

Step 1: Identify the Circuit Components
Before connecting the ammeter, it is important to identify the circuit components and understand their functions. In this case, we have a resistor through which we want to measure the current.

Step 2: Ensure the Circuit is Turned Off
For safety reasons, it is crucial to ensure that the circuit is turned off before making any connections. This will prevent any accidental electric shocks or damage to the circuit components.

Step 3: Determine the Ammeter's Current Range
Ammeters come with different current ranges, so it is important to select an appropriate ammeter based on the expected current value. Make sure the selected ammeter has a current range that can accommodate the expected current flowing through the resistor.

Step 4: Connect the Ammeter in Series
To measure the current flowing through the resistor, the ammeter needs to be connected in series with it. This means that the current passes through the ammeter before reaching the resistor. Follow these steps to connect the ammeter:

- Identify the two terminals of the ammeter. One terminal is marked as '+' or 'A' (for Ampere) and the other as '-' or 'COM' (for common).
- Disconnect one of the wires connected to the resistor. This creates a gap in the circuit where the ammeter can be inserted.
- Connect the '+' or 'A' terminal of the ammeter to one side of the gap created in the circuit by connecting it to the wire previously disconnected from the resistor.
- Connect the '-' or 'COM' terminal of the ammeter to the other side of the gap by connecting it to the end of the resistor where the wire was initially disconnected.
- Ensure that the connections are tight and secure to avoid any loose connections that may affect the accuracy of the current measurement.

Step 5: Turn On the Circuit
Once the ammeter is connected in series with the resistor, the circuit can be turned on. The current flowing through the resistor will now pass through the ammeter, allowing it to measure the current accurately.

Step 6: Read the Ammeter
To obtain the current measurement, observe the display or the scale of the ammeter. The current reading will be indicated in amperes (A) or milliamperes (mA), depending on the range of the ammeter.

It is important to note that ammeters have very low internal resistance to minimize their impact on the circuit. Therefore, they should be connected in series to avoid altering the overall resistance of the circuit and obtaining accurate current measurements.

Answer

An ammeter is a measuring device used to measure the electric current in a circuit. A voltmeter is connected in parallel with a device to measure its voltage, while an ammeter is connected in series with a device to measure its current.

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It is connected in series as it have a negligible resistance.

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