What causes a changing magnetic field? The changing magnetic field caused by the material’s motion induces a current in the coil of wire proportional to the change in field. For a 1, the magnetic field changes from one direction to the other; this change induces a current in the coil. What happens when electric and […]
What are the four basic principles of the 1628 Petition of Right?
What are the four basic principles of the 1628 Petition of Right? The petition sought recognition of four principles: no taxation without the consent of Parliament, no imprisonment without cause, no quartering of soldiers on subjects, and no martial law in peacetime. What statement best describes the significance of the Magna Carta? The statement which […]
Is 1 oz the same as 30ml?
Why does sugar melt and not burn?
Why does sugar melt and not burn? Hypothetically, if wood and sugar were assumed to have an identical chemical composition and supplied the exact same amount of heat energy, then any difference in the reaction would need to be derived from the amount of oxygen. A lack of oxygen is why sugar does not readily […]
What are the 6 common properties of electromagnetic radiation?
What are the 6 common properties of electromagnetic radiation? Properties of Electromagnetic Radiation These magnetic and electric waves travel perpendicular to each other and have some characteristics like wavelength, amplitude, and frequency. Some basic properties of Electromagnetic Radiation are given in the points mentioned below. They can travel through empty space. What are the four […]
What are the qualities of project manager?
What are the qualities of project manager? Effective project management entails having the following attributes that are essential in becoming an effective project manager: Effective communication skills. Strong leadership skills. Good decision maker. Technical expertise. Inspires a shared vision. Team-building skills. Cool under pressure. What is a project lifecycle? What is a Project Life Cycle? […]
How does air resistance affect cars?
How does air resistance affect cars? Air friction does not significantly affect a car’s gas mileage. Cars are slowed down when they stir up the air too much. Stirring up the air creates vortices and billows that take energy away from the car. This effect is known as “wake drag”, “pressure drag”, or “form drag”. […]
Can a chemical change be reversed?
Can a chemical change be reversed? A chemical change occurs whenever matter changes into an entirely different substance with different chemical properties. Because chemical changes result in different substances, they often cannot be undone. What is a chemical change that Cannot be reversed? Burning is a non-reversible chemical change. When you burn wood, the carbon […]
Why the Colour of shadow is always black?
Is heliocentric model correct?
Is heliocentric model correct? The geocentric model states that the Sun and the planets move around the Earth instead of the heliocentric model with the Sun in the center. Obviously the Earth orbits the Sun. Sure, the textbooks all say that the solar system is heliocentric. What is difference between geocentric and heliocentric? The geocentric […]