When power is sent from a power plant through transmission lines, it is crucial to increase the voltage and drop the amps. This is because voltage is the measure of the electrical potential energy per unit charge, while amps represent the amount of electrical current flowing through the circuit. By increasing voltage, the energy can travel further distances with less loss of power due to resistance. Dropping the amps helps reduce the heat generated in the transmission lines, which can cause damage and inefficiencies. Essentially, increasing voltage and dropping amps is a way to maximize the efficiency of power transmission and prevent unnecessary energy losses.

The interviewer would like to see that you can easily explain why a power plant increases voltage and drops amps when sending power through the lines. Generally speaking, the easier someone can explain a concept, the better they understand it. Keep your answer concise and easy to understand.