For a stepper motor with an angular resolution of 90° per step, how many steps are required to complete a 360° rotation?

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Multiple Choice

For a stepper motor with an angular resolution of 90° per step, how many steps are required to complete a 360° rotation?

Explanation:
Think in terms of how much rotation each step covers. If one step equals 90 degrees, you need enough steps to total 360 degrees. 360 divided by 90 is 4, so it takes four steps to complete a full turn. After four steps you’re back at the starting orientation. The other options would only reach 180° or 270°, or overshoot to 720° if you kept stepping, so they don’t give a single 360° rotation.

Think in terms of how much rotation each step covers. If one step equals 90 degrees, you need enough steps to total 360 degrees. 360 divided by 90 is 4, so it takes four steps to complete a full turn. After four steps you’re back at the starting orientation. The other options would only reach 180° or 270°, or overshoot to 720° if you kept stepping, so they don’t give a single 360° rotation.

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