Do capacitors only work in AC? It storage ability is measured in Farad “F” and “µF” or “nF” units are used for small capacitors. Keep in mind that capacitor acts as an open circuit in DC i.e. it only operable at AC voltages. Are capacitors used in AC circuits? Capacitor Charge and Discharge in an […]
Why is exercise important?
Why is exercise important? Physical activity or exercise can improve your health and reduce the risk of developing several diseases like type 2 diabetes, cancer and cardiovascular disease. Physical activity and exercise can have immediate and long-term health benefits. Most importantly, regular activity can improve your quality of life. What is the difference between physical […]
Which direction on a motion map is backwards?
Which direction on a motion map is backwards? Backwards motion is motion of the overall vehicle in the general direction opposite to the primary direction of travel during the run. If the vehicle is moving away from the start it is moving “forward” if the vehicle is moving towards the start then it is moving […]
Will a high pH kill fish?
Will a high pH kill fish? Very high (greater than 9.5) or very low (less than 4.5) pH values are unsuitable for most aquatic organisms. Young fish and immature stages of aquatic insects are extremely sensitive to pH levels below 5 and may die at these low pH values. High pH levels (9-14) can harm […]
What is the relationship between living and nonliving parts of an ecosystem?
What is the relationship between living and nonliving parts of an ecosystem? You depend on each other and need the nonliving things in your home, like food, water, air, and furniture. Living things need nonliving things to survive. Without food, water, and air, living things die. Sunlight, shelter, and soil are also important for living […]
When 5800 joules of energy are applied to a 15.2 kg piece of lead metal How much does the temperature change by?
What absorbs sound the best?
What absorbs sound the best? In general, soft, pliable, or porous materials (like cloths) serve as good acoustic insulators – absorbing most sound, whereas dense, hard, impenetrable materials (such as metals) reflect most. How do I block traffic noise in my bedroom? Hang heavy curtains or drapes on windows (you could even try hanging heavy […]
What are ionic compounds called?
What are ionic compounds called? Ionic compounds are neutral compounds made up of positively charged ions called cations and negatively charged ions called anions. For binary ionic compounds (ionic compounds that contain only two types of elements), the compounds are named by writing the name of the cation first followed by the name of the […]
How do maglev trains start moving?
How do maglev trains start moving? Maglev trains work on the principle of magnetic repulsion between the cars and the track. To begin motion, the train moves forward slowly on these wheels, allowing the magnets beneath the train to interact with those of the guideway. How does maglev trains run without wheels? This junkyard crane […]
What Crystal shape is best?
What Crystal shape is best? Learn what 7 common crystal shapes mean—and how to best use them. Cubes. If you need some grounding vibes in your life (don’t we all?), a cube-shaped crystal might be the perfect gemstone companion for you. Pyramids. Spheres. Tumbled stones. Crystal points. Hearts. Clusters. What are the basic types of […]