When measuring current draw in a circuit, where must the meter leads be placed?

When measuring current draw in a circuit, where must the meter leads be placed?

• A. In parallel with the circuit
• B. In series with the circuit with the circuit intact
• C. On the power supply terminals
• D. Near the ground connection

Answer: (B)

To measure current draw in a circuit, the meter leads must be placed in series with the circuit. This configuration allows the ammeter to measure the flow of current that is passing through the circuit components. When the meter is connected in series, it effectively becomes a part of the circuit, allowing it to register the current that flows through it. If you were to connect the meter in parallel with the circuit instead, it could potentially create a short circuit, leading to inaccurate readings or damage to the meter and components. Placing the meter on the power supply terminals would not provide the necessary information about the current running through the specific components of the circuit. Similarly, connecting the meter near the ground connection does not provide an avenue to measure current draw effectively, as it does not allow for effective integration into the current flow path being measured. Therefore, connecting in series is essential for obtaining accurate current readings.

To measure current draw in a circuit, the meter leads must be placed in series with the circuit. This configuration allows the ammeter to measure the flow of current that is passing through the circuit components. When the meter is connected in series, it effectively becomes a part of the circuit, allowing it to register the current that flows through it.

If you were to connect the meter in parallel with the circuit instead, it could potentially create a short circuit, leading to inaccurate readings or damage to the meter and components. Placing the meter on the power supply terminals would not provide the necessary information about the current running through the specific components of the circuit. Similarly, connecting the meter near the ground connection does not provide an avenue to measure current draw effectively, as it does not allow for effective integration into the current flow path being measured. Therefore, connecting in series is essential for obtaining accurate current readings.