What is called electric resistance? In electronics and electromagnetism, the electrical resistance of an object is a measure of its opposition to the flow of electric current. The reciprocal quantity is electrical conductance, and is the ease with which an electric current passes. Does 240V need a neutral? A 240V load needs two “ungrounded conductors”, […]
What are visible light examples?
What are visible light examples? For example, the sun produces visible light. Incandescent light bulbs, fluorescent, and neon lights are other examples of visible light that we may see on a regular basis. Visible light is probably the most important of all electromagnetic waves for most of us. What color is the presence of all […]
What tests can be done to identify an unknown substance?
What tests can be done to identify an unknown substance? How Do We Approach an Unknown Substance Gas Chromatography (GC) Gas Chromatography Mass Spectroscopy (GC-MS) Ion Chromatography (IC) High Performance Liquid Chromatography (HPLC) Dispersive Raman Spectroscopy. Fourier Transfer Infrared Spectroscopy (FTIR) What is the unknown solution? A titration is a technique where a solution of […]
What does fully ionized mean?
What does fully ionized mean? When referred to an atom, “fully ionized” means that there are no bound electrons left, resulting in a bare nucleus. Regular stars largely contain hydrogen and helium that are fully ionized into protons (H+) and alpha-particles (He2+). Which element would have the highest ionization energy? helium What is Fluorines ionization […]
Where was the node in the Tacoma Narrows Bridge collapse?
Where was the node in the Tacoma Narrows Bridge collapse? In the case of Tacoma Narrows, there was a node (no twisting) exactly at the middle of the center span. How long did the Tacoma Narrows Bridge last? After 29 months of construction, a new and much safer Tacoma Narrows Bridge opened on Oct. 14, […]
Is NaCl acidic or basic?
On which day are your answering stats reset?
What are the evidences of continental drift theory?
What are the evidences of continental drift theory? In the early part of the 20th century, scientists began to put together evidence that the continents could move around on Earth’s surface. The evidence for continental drift included the fit of the continents; the distribution of ancient fossils, rocks, and mountain ranges; and the locations of […]
What is my healthy weight?
What is my healthy weight? Adult BMI Calculator BMI Weight Status Below 18.5 Underweight 18.5—24.9 Normal 25.0—29.9 Overweight 30.0 and Above Obese How much should I weigh for my frame size? Ideal Body Weight Add 5 pounds for every inch over 5 feet that you are. With this number you can subtract 10% for small […]
Is a survey a secondary source?
Is a survey a secondary source? Primary sources are the original documents of an event or discovery such as results of research, experiments or surveys, interviews, letters, diaries, legal documents, and scientific journal articles. diaries and letters. academic articles reporting NEW data and findings. What is secondary data analysis examples? They might search through periodicals, […]