Who Will spend more electrical energy ? 500 W TV set in 30 mins, or 600 W heater in 20 mins ?

Explanation

To determine which device spends more electrical energy, we will calculate the energy consumed by both the 500 W TV set over 30 minutes and the 600 W heater over 20 minutes.

### Step-by-Step Solution:

1. **Understand the formula for energy consumption**:
The energy consumed by an electrical device can be calculated using the formula:
\[
E = P \times T
...