How many hours should a 200 W bulb glow to consume 2 units of electrical energy?

Explanation

To solve the problem of how many hours a 200 W bulb should glow to consume 2 units of electrical energy, we can follow these steps:

### Step-by-Step Solution:

1. **Understand the Units**:
- We know that 1 unit of electrical energy is equivalent to 1 kilowatt-hour (kWh).
- 1 kWh = 1000 watt-hours (Wh).

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