A device that switches DC to AC; the opposite of a rectifier.

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Multiple Choice

A device that switches DC to AC; the opposite of a rectifier.

Explanation:
The key idea is converting energy from one form to another. A rectifier turns AC into DC, so the opposite function is to convert DC into AC. Among the options, a converter is the closest fit for a device that changes DC to AC, since it broadly denotes energy-form transformation. The other terms don’t describe a device that changes power form: a circuit is just a path for current, a conductor is a material that conducts electricity, and a volt is a unit of electrical potential.

The key idea is converting energy from one form to another. A rectifier turns AC into DC, so the opposite function is to convert DC into AC. Among the options, a converter is the closest fit for a device that changes DC to AC, since it broadly denotes energy-form transformation. The other terms don’t describe a device that changes power form: a circuit is just a path for current, a conductor is a material that conducts electricity, and a volt is a unit of electrical potential.

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