No, a 9V battery cannot directly power a 12V LED strip. LED strips are designed to operate at a specific voltage, in this case, 12V. Using a lower voltage power source, such as a 9V battery, will not provide enough power to properly operate the LED strip.

A 12V LED strip generally does not require a resistor when connected to a 12V power source. LED strips are designed to operate at a specific voltage, and in the case of a 12V LED strip, they are engineered to work efficiently and effectively with a 12V power supply.

The best voltage for LED strip lights depends on the specific LED strip and its intended use. LED strips are commonly available in different voltage options, such as 12V and 24V. Here are some aspects to consider when determining the best voltage for LED strip lights:

The maximum run length for a 24V LED strip depends on various factors, including the wattage rating of the strip and the voltage drop tolerance. Here are a few guidelines to consider:

When choosing between a 12V or 24V LED strip, there are a few factors to consider:

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