That’s why it’s impossible for a customer service agent to ever hit 100% efficiency. Instead, you should think of this calculation as only being useful within the context of benchmarking ...

Therefore, when calculating how efficient an EV is ... Using the above formula of range divided by battery size, results in an efficiency of 4.92 miles per kWh. It’s slightly more complicated ...

The energy transfer equation for lifting a piece of metal is given below. Calculate the efficiency of the crane. \(efficiency = \frac {useful \ energy \ transferred}{total \ energy \ supplied}\) ...