A single double AA battery is usually rated at 1.5 Volts. If you have four single AA batteries, what is the maximum output voltage you can produce?

The maximum output voltage you can produce with four single AA batteries depends on how you connect them.

Step 1: Understand the battery rating. A single AA battery is usually rated at 1.5 Volts.

Step 2: Determine the connection. If you connect the batteries in series, the voltages add up. If you connect them in parallel, the voltage remains the same as one battery but the capacity (or battery life) increases.

Step 3: Calculate the voltage. If you connect four AA batteries in series, you add the voltages together. So, 1.5V (from one battery) multiplied by 4 (the number of batteries) equals 6V.

So, the maximum output voltage you can produce with four single AA batteries is 6 Volts if they are connected in series. If they are connected in parallel, the output voltage remains 1.5 Volts, but you would have a longer battery life.