What is a high resistance wire?

What is a high resistance wire? Resistance wire is used to control the amount of current in a circuit. High resistivity is better since a shorter wire can then be used. When it is used for heating elements for applications such as electric heaters and toasters, high resistivity and oxidation resistance is important. What’s the […]

What is the major impact of nanotechnology on society?

What is the major impact of nanotechnology on society? The societal impacts of new technologies are easy to identify but hard to measure or predict. Nanotechnology will have significant social impacts in the areas of military applications, intellectual property issues, as well as having an effect on labor and the balance between citizens and governments. […]

What is the hottest rainforest on earth?

What is the hottest rainforest on earth? Tropical rainforests often have from 160 to 400 inches of rain a year. But they aren’t the wettest or even the hottest places on Earth. (The wettest is Mount Waialeale, in Hawaii, USA, and the hottest is Libya in North Africa.) What is the environment like in a […]

What type of bond is potassium sulfur?

What type of bond is potassium sulfur? ionic bond What is the bond between potassium and sulfur? The difference in charge between the two 1+ potassium ions and the 2- sulfur ion allows electrostatic attraction between the sulfur ions and potassium ions. This is an ionic bond and is the basis of the ionic compound […]

What is radius of curvature in light?

What is radius of curvature in light? Radius of curvature (ROC) has specific meaning and sign convention in optical design. A spherical lens or mirror surface has a center of curvature located either along or decentered from the system local optical axis. The distance from the vertex to the center of curvature is the radius […]

How does a roller coaster go up a hill?

How does a roller coaster go up a hill? A roller coaster does not have an engine to generate energy. The climb up the first hill is accomplished by a lift or cable that pulls the train up. The higher the hill the coaster is coming down, the more kinetic energy is available to push […]

What are the 4 types of plate boundary?

What are the 4 types of plate boundary? Plate Boundaries and Hotspot Demonstration Divergent Plate Boundary. Volcanic eruptions and shallow earthquakes are common where plates rip apart. Convergent Plate Boundary. Transform Plate Boundary. Hotspot. What are the 5 plate boundaries? What are the major plate tectonic boundaries? Divergent: extensional; the plates move apart. Spreading ridges, […]

What do plants use to make their own food?

What do plants use to make their own food? The process by which land plants produce their own food using sunlight and carbon dioxide is known as photosynthesis (Figure 1). While carbon dioxide is absorbed by the leaves, the sunlight is captured by a chemical molecule in the plant, called chlorophyll (Chl). All photosynthetic organisms […]

How do you calculate sound pressure?

How do you calculate sound pressure? Sound pressure level (SPL) calculator – formula & step by step calculation to measure the logarithmic RMS value of the sound or acoustic pressure caused by the sound wave relative to a reference value in decibels. SPL (dB) = 10 log10(p2/po2). How do you convert pressure to dB? Sound […]

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