Company's main competitor has built an extremely efficient transformer and is trying to market it saying that the new transformer is able to step up energy. Do you agree with their statement? What would you say?
Power transmission lines generally operate and high voltage and low current. Discuss the reason for this choice.
If visible light and radio waves are both examples of electromagnetic waves, why can't we see radio waves?
Why spy cameras in satellites and high-altitude aircraft are designed with large apertures?