What happens to the polarity of an electromagnet when the direction of the current passing through it is reversed?
ASSIGNMENT 1. Distinguish between constructive and destructive interference. Please use 3 content relatedsentences. (ref: p.394-399) 2. Explain how surface waves can have characteristics of both longitudinal waves and transverse waves.Use 3 content related sentences. (ref: p.388-393) 3. A lifeguard on a beach observes that waves have a speed of 2.60 m/s and a distance of […]