What do you observe when the magnet is removed from the coil? When we pull the magnet out, the left hand end of the coil becomes a south pole (to try and hold the magnet back). Therefore the induced current must be flowing clockwise. Although it is the coil that is moving, this works on […]
Why do radio telescopes have such poor resolution?
Why do radio telescopes have such poor resolution? Radio waves have a large wavelength and hence have poor resolution. To increase the collecting area, the radio telescopes are made in the form of arrays. In an array two or more telescopes are used and their signals are combined. The distance between two telescopes can be […]
What is the importance of sun energy in a food chain?
What is the importance of sun energy in a food chain? The Sun’s energy is needed for plants to make food through a process called photosynthesis. In photosynthesis, green plants capture the Sun’s energy. They use it to make sugars from water and carbon dioxide. Plants are considered a producer in the food chain. How […]
Which gas is responsible for the smell of LPG?
What is voice reinforcement?
What is voice reinforcement? A sound reinforcement system is the combination of microphones, signal processors, amplifiers, and loudspeakers in enclosures all controlled by a mixing console that makes live or pre-recorded sounds louder and may also distribute those sounds to a larger or more distant audience. How many types of sound systems are there? Main […]
Why am I hot and my heart is racing?
Why am I hot and my heart is racing? Your symptoms can be due to a wide range of medical conditions, including panic attack, generalized anxiety disorder, or supraventricular tachycardia. How can I fix my heart rhythm naturally? The following methods can help to reduce palpitations. Perform relaxation techniques. Reduce or eliminate stimulant intake. Stimulate […]
Does freedom of speech mean you can say anything?
Does freedom of speech mean you can say anything? Should the law protect that speech or are there limits to what “freedom of speech” means? The 1st Amendment to the United States Constitution has been interpreted to mean that you are free to say whatever you want and you are even free to not say […]
How do you write the best thank you note?
How do you write the best thank you note? WHAT Greeting. Don’t forget to make sure you’re using the correct form and spelling of the person’s name, as well as anyone else’s mentioned in the note. Express your thanks. Begin with the two most important words: Thank you. Add specific details. Look ahead. Restate your […]
What type of bonding is CO?
What type of bonding is CO? covalent bonds Is a coordinate covalent bond stronger than a covalent bond? Coordinate covalent bonds can form when one atom provides a lone pair of electrons to the bond. Coordinate covalent bonds are as strong as other covalent bonds. How do you identify a dative covalent bond? A coordinate […]
Whats the definition of thermal technology?
Whats the definition of thermal technology? Thermal Technology – The technology of producing, storing, controlling, transmitting and getting work from heat energy. ( What is an example of thermal technology? Mold releases, lubricants, cleaners, purging compounds, rust preventives, and cutting oils that come in aerosol cans are all examples of thermal technology. The heat created […]