How Much Power Is Used to Charge an iPhone 6?

What was the main finding of the study on iPhone 6 and iPhone 6 Plus energy consumption?

• They consume more electricity than the iPhone 5.

• They have a longer charging time than the iPhone 5.

• They are more energy-efficient than larger devices.

• They cost more to charge annually than the iPhone 5.

Which of the following has been the biggest area of growth in home electricity consumption over the last three decades?

• Appliances and electronics

• Water heating

• Lighting

• Heating and cooling

How does the electricity usage of a desktop computer compare to an iPhone 6?

• It uses the same amount of electricity.

• It uses 50 times more electricity.

• It uses 5 times more electricity.

• It uses 10 times more electricity.

What percentage of digital media consumption is now happening on mobile devices?

• 60%

• 70%

• 50%

• 40%

What is one strategy utility companies use to manage peak electricity demand?

• Encouraging the use of electricity during off-peak times

• Increasing electricity prices

• Encouraging the use of electricity during peak times

• Building more power plants