A dynamo

Options

A. creates mechanical energy
B. creates electrical energy
C. converts electrical energy into mechanical energy
D. convert mechanical energy into electrical energy.

Explanation

**Step-by-Step Solution:**

1. **Understanding the Concept of a Dynamo:**
- A dynamo is a device that converts mechanical energy into electrical energy. It operates based on the principle of electromagnetic induction.

2. **Identifying the Function of a Dynamo:**
- The primary function of a dynamo is to generate electricity. It does this by using mechanical energy, which can come from various sources such as a rotating wheel or a hand crank.

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