Write the principle of a thermal power plant ? What are disadvantages of installing such power plants ?

Explanation

### Step-by-Step Solution

**Step 1: Understanding the Principle of a Thermal Power Plant**
- A thermal power plant operates on the principle of converting heat energy into electrical energy. The primary source of energy for these plants is fossil fuels such as coal, kerosene, diesel, or LPG.

**Step 2: Collection of Energy Sources**
- The first step in the operation of a thermal power plant is the collection of these energy sources. These fuels are essential for generating heat.

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