What is the use of compass? A compass is a device that indicates direction. It is one of the most important instruments for navigation. This compass was used by Robert Peary to reach the North Pole, allegedly the first person to do so. A compass is a device that indicates direction. What are the two […]
Who is the fastest spinner in the world?
What are some examples of resilient materials?
What are some examples of resilient materials? Rubber is an example of a material that has an extremely high modulus of resilience. Ceramics typically have a very low modulus of resilience. In terms of metals, brass has a relatively high modulus of resilience, while a metal such as cast iron has a relatively low modulus […]
How does ultrasound relieve pain?
How does ultrasound relieve pain? One of the therapeutic effects for which ultrasound has been used is in relation to tissue healing. It is suggested that the application of US to injured tissues will, amongst other things, speed the rate of healing & enhance the quality of the repair. Is an ultrasound painful? Unlike some […]
Why do semiconductors increase in conductivity with temperature?
Why do semiconductors increase in conductivity with temperature? The electrical conductivity of semiconductors increases with increasing temperature because, with increase in temperature, number of electrons from the valence bond can jump to the conduction band in semiconductors. What happens when temperature increases in conductor? The resistance of a conductor increases with an increase in temperature […]
Which distillation should have the more pure 1st mL?
Which distillation should have the more pure 1st mL? fractional distillation Why are glass beads added to the heating vessel? Why are glass beads added to the heating vessel? Glass beadsprevents bumping,the formation of superheated bubbles which may explodeviolently. What is the purpose of the glass beads? 1 Answer. One purpose of the glass beads […]
What is the difference between mechanical and electrical energy?
What is the difference between mechanical and electrical energy? Kinetic Energy can be defined as the energy possessed by the object by the virtue of its motion. The sum of these two energies is often called Mechanical Energy of the System. Electric Energy is also a form of these 2 energies: Electric potential energy stored […]
What is another word for anticyclone?
What is another word for anticyclone? In this page you can discover 4 synonyms, antonyms, idiomatic expressions, and related words for anticyclone, like: cyclone, warm-front, extratropical and anti-cyclone. Are anticyclones dangerous? Indeed, Summer anticyclones can result in “Heat wave” conditions with temperatures significantly above average. One such event occurred in the summer of 2003 affecting […]
How is energy transferred in a hydroelectric power plant?
How is energy transferred in a hydroelectric power plant? Hydropower plants capture the energy of falling water to generate electricity. A turbine converts the kinetic energy of falling water into mechanical energy. Then a generator converts the mechanical energy from the turbine into electrical energy. What does penstock mean? 1 : a sluice or gate […]