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What was Cavendishs contribution to Newtons Law of Gravitation?
Henry Cavendish's contribution to Newton's Law of Gravitation was his experiment to determine the gravitational constant, which allowed for the precise calculation of the gravitational force between two objects. This value was crucial for the accurate prediction of the behavior of celestial bodies based on Newton's law of gravitation.
Can T8 LED tube light be used with ballast and can ballast be removed and will it work?
A T8 LED tube has to be used with a ballast to bring the correct voltage to the tube for it to operate correctly. Removing the ballast from the circuit will prevent the tube from operating.
How was planks constant discovered?
The spectrum of object glowing because of their temperature -- a phenomena called "blackbody radiation" -- was a (no pun intended) "hot topic" in the late 1800s. Because all types of matter was found to have the same spectrum at the same temperature (more or less), it was felt that understanding BBR would give insight into the basic nature of matter. Developing an explanation for what was seen in experiments frustrated the scientific community so much that Max Planck decided to see if he could develop a mathematical explanation. He found he could mathematically explain the spectrum by assuming that the light coming from a blackbody came in discrete parts (he called them "quanta") where the energy of each quanta was equal to a constant 'h' times the frequency of that light, What he never considered was that his mathematical explanation was what actually WAS HAPPENING -- that light really DOES come in quanta. The constant that he used to derive his formula is now called "Planck's Constant," and it is a fundamental aspect of the Universe we happen to live in.
What did schleiden and Schwann use microscopes to determine the cell is the what of life?
Schleiden and Schwann used microscopes to determine that the cell is the fundamental unit of life. Their observations led to the formulation of the Cell Theory, which states that all living organisms are composed of cells and that the cell is the basic structural and functional unit of life. This groundbreaking work laid the foundation for modern biology and our understanding of how organisms develop and function.
What element from the periodic table is used to make pencils?
Graphite, a form of carbon, is the element from the periodic table that is used to make the "lead" in pencils. Graphite is a good conductor of electricity, and its layers provide the smooth writing surface in pencils.
How two determine anode for LED?
If it's a thru-hole LED, the anode is the longer pin. If it's a used part and part had its pins cut off, the larger electrode inside is the cathode.
A sentence with the word constant?
Example sentence - His constant inability to give his children a consequence for their bad behavior led to the demise of our relationship.
What is led driver?
A led driver is used to regulate the power which is required for an LED or a number of led's. In short, it is a self contained power supply. Using led drivers can help to ensure that lighting is regulated properly and your led lights are safe as well. Visit marvellighting. com now for more details. marvellighting. com/product-detail-page/ff130r-recessed-downlight-protection-cover-by-tenmat
Linnaeus Used Similarities in Structure to Determine Relationships Among Organisms ture or false?
True. Linnaeus used similarities in structure, such as morphology and anatomy, to classify and determine relationships among different organisms. This led to the development of his hierarchical system of classification known as taxonomy.
How can you determine if a bulb is LED?
To determine if a bulb is LED, look for the letters "LED" on the packaging or the bulb itself. You can also check the color of the light emitted - LED bulbs typically produce a cooler, bluish light compared to traditional incandescent bulbs. Additionally, LED bulbs are more energy-efficient and have a longer lifespan than other types of bulbs.
Why the small wavelength is used in LED?
Small wavelength used in led bcoz we commonly use led as a flashlight.
What led to the exposure of stone mountain?
Centuries of constant erosion (heavy rains, winds, etc) -Harold
How do you design a led power driver circuit?
To design an LED power driver circuit, first determine the specifications of the LED, including its forward voltage and current requirements. Choose a suitable driver topology, such as a constant current source or a buck converter, based on the LED's voltage and current needs. Select appropriate components, including a power supply, switching elements, and feedback mechanisms for regulation. Finally, simulate the circuit to verify performance and ensure thermal management and safety features are adequately addressed.
What is the masculine of led?
The word led doesn't have a gender. It is led no matter how it is used.
What was Cavendishs contribution to Newtons Law of Gravitation?
Henry Cavendish's contribution to Newton's Law of Gravitation was his experiment to determine the gravitational constant, which allowed for the precise calculation of the gravitational force between two objects. This value was crucial for the accurate prediction of the behavior of celestial bodies based on Newton's law of gravitation.
How do you wire a 2V LED to run on 12V?
Light Emitting Diodes (LED) solid state devices are current dependant. LED have ratings for the max current allowed to the LED device. A typical current allowed to a LED is 20ma. Ohms Law is used to determine the resistance required to limit the current to your desired current. The formula is used in this manner: E=12VOLTS the desired current is I = 20ma. R = E/I = 600 ohms. Where E=2 volts dc and I=20ma R= E/I = 100 Ohms.
Where are LED spotlights normally used?
LED spotlights are usually used outdoors. LED spotlights are usually used to light up porches and yards. LED spotlights are also used in Art Galleries to light up showcase displays.
