Flickering lights can cause headaches in some people. Flickering lights can be caused by a variety of factors, such as electrical problems, faulty light bulbs, or issues with the wiring in your home. If you are experiencing headaches that you think may be caused by flickering lights, it is important to identify and address the … Read more
Of course, we all use lightbulbs on a daily basis. Lightbulbs that keep blowing are not only inconvenient but also dangerous. If your lightbulbs keep blowing, it’s time to investigate the source of the problem. Then, if there are symptoms of deeper electrical difficulties, do some investigating and possibly call a certified electrician. The Most … Read more
The length of a 60 W, 240 ω light bulb filament is 60 cm. 1) If the potential difference across the filament is 120 V, what is the strength of the electric field inside the filament?2) Suppose the length of the bulb’s filament was doubled without changing its diameter or the potential difference across it. … Read more
How many photons are contained in a flash of green light (525 nm) that contains 189 kj of energy? give your answer to 2 significant figures and in scientific notation. (1) 4.99×10^23(2) 7.99×10^30(3) 5.67×10^23(4) 1.25×10^31(5) 3.75×10^23 = 4.99e23 Photons Explanation: We know, c = f λ (Equation 1) Here, c = speed of light (m/s) … Read more
