The electrical energy required to heat a bucket of water to a certain temperature is 2 kWh. If heat losses, are 25%, the energy input is

• 2.67 kWh
• 3 kWh
• 2.5 kWh
• 3.5 kWh

Correct Answer: 2.67 kWh

Explanation:

Since 25% of input is lost, 0.75 Input = 2 or input =