Why does the cord of an electric heater not glow while the heating element does ?

Explanation

To understand why the cord of an electric heater does not glow while the heating element does, let’s break it down step by step.

### Step-by-Step Solution:

1. **Understanding the Components**:
- An electric heater consists of two main parts: the heating element (coil) and the cord that connects it to the power supply.

2. **Material Composition**:
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