Regulators adjust voltage in steps of 5/8 percent; how many such steps are used?

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Multiple Choice

Regulators adjust voltage in steps of 5/8 percent; how many such steps are used?

Explanation:
The main idea is that regulation uses fixed adjustment steps, so the total number of steps equals the overall adjustment range divided by the size of each step. Each step here is 5/8 percent, which is 0.625 percent. If the regulator can adjust in both directions around the nominal value, a common symmetric range is ±10 percent, giving a total span of 20 percentage points. Divide 20 by 0.625, and you get 32 steps. So there are 32 steps to cover the full adjustable range. (Note: using only one direction would give 16 steps, but regulation typically spans both directions, hence 32.)

The main idea is that regulation uses fixed adjustment steps, so the total number of steps equals the overall adjustment range divided by the size of each step. Each step here is 5/8 percent, which is 0.625 percent. If the regulator can adjust in both directions around the nominal value, a common symmetric range is ±10 percent, giving a total span of 20 percentage points. Divide 20 by 0.625, and you get 32 steps. So there are 32 steps to cover the full adjustable range. (Note: using only one direction would give 16 steps, but regulation typically spans both directions, hence 32.)

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