What precautions need to be taken by Surbhi while using the new device?

Explanation

To answer the question about the precautions Surbhi needs to take while using a new device, specifically an LED (Light Emitting Diode), we can follow these steps:

### Step-by-Step Solution:

1. **Identify the Device**: Surbhi is using an LED, which is a type of light-emitting diode commonly used as a light source.

2. **Understand the Structure**: An LED has two leads – one longer and one shorter. The longer lead is the positive terminal (anode), and the shorter lead is the negative terminal (cathode).

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