Give two similarities between an A.C. generator and a D.C. motor.

Explanation

To answer the question regarding the similarities between an A.C. generator and a D.C. motor, we can follow these steps:

### Step 1: Identify the Components
Both an A.C. generator and a D.C. motor have key components that are essential for their operation.

### Step 2: First Similarity
Both devices utilize a magnetic field.
- **A.C. Generator**: It typically uses a strong horseshoe magnet or an electromagnet to create a magnetic field.
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