Get Updates
Subscribe to receive instant notifications for new study materials and important updates.
An electric heater is rated 1500 W. How much energy does it us... - Science
Question
An electric heater is rated 1500 W. How much energy does it use in 10 hours?
Answer
Given:
Power (P) = 1500\text{ W} = 1.5\text{ kW}
Time (t) = 10\text{ hours}
Formula:
Energy (E) = Power \times Time
Calculation:
E = 1.5\text{ kW} \times 10\text{ h}E = 15\text{ kWh} (units)
Answer:
The energy used is
15\text{ kWh} (or 15\text{ units}).
