How far apart are the prong holes in a standard U.S. electrical outlet?

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Multiple Choice

How far apart are the prong holes in a standard U.S. electrical outlet?

Explanation:
The spacing of the two prong holes follows a standard measure used for North American plugs. For a typical U.S. outlet, the distance between the centers of the two slots is about 0.5 inches, which is approximately 1.27 cm. Among the given choices, 1 cm is the closest match. The other options are notably off: 0.5 cm is too small, while 1.5 cm and 2 cm are larger than the standard spacing. This standardization helps ensure plugs fit correctly and safely.

The spacing of the two prong holes follows a standard measure used for North American plugs. For a typical U.S. outlet, the distance between the centers of the two slots is about 0.5 inches, which is approximately 1.27 cm. Among the given choices, 1 cm is the closest match. The other options are notably off: 0.5 cm is too small, while 1.5 cm and 2 cm are larger than the standard spacing. This standardization helps ensure plugs fit correctly and safely.

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