1. Suppose you left a 100 watt light bulb on for one month. If the electricity generation and transmission is 30% effective how much chemical energy in joules was wasted at the power plant for this oversight ?
2. If electricty is generated at 10,000 volts and is to be transmitted at 130,000 volts what should be the turns ratio of the transformer?
The Attempt at a Solution
1. attempt failed.