One more question 4 what is led diode explain briefly almost 90% question will be in your board paper

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Light emitting diode
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A light-emitting diode (LED) is a semiconductor device that emits visible light when an electric current passes through it.
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A light-emitting diode (LED) is a two-lead semiconductor light source. It is a pn-junction diode, which emits light when activated
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A light-emitting diode (LED) is a semiconductor device that emits visible light when an electric current passes through it. The light is not particularly bright, but in most LEDs it is monochromatic, occurring at a single wavelength. The output from an LED can range from red (at a wavelength of approximately...
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A light-emitting diode (LED) is a semiconductor device that emits visible light when an electric current passes through it. The light is not particularly bright, but in most LEDs it is monochromatic, occurring at a single wavelength. The output from an LED can range from red (at a wavelength of approximately 700 nanometers) to blue-violet (about 400 nanometers). Some LEDs emit infrared (IR) energy (830 nanometers or longer); such a device is known as an infrared-emitting diode (IRED). read less
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LED (light-emitting diodes) that are just as bright as bulbs, last virtually forever, and use hardly any energy at all. An LED is a special type of diode (a type of electronic component that allows electricity to flow through in only one direction).
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Light-emitting diode (LED) is a semiconductor device that emits visible light when an electric current passes through it.
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A light-emitting diode (LED) is a semiconductor device that emits visible light when an electric current passes through it
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Light-emitting diode (LED) is a semiconductor device that emits visible light when an electric current passes through it.
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A company has a loan of Rs.15,00,000 as part of its capital employed. The interest payable on Loan is 15% and the ROI of the company is 25%. The rate of income tax is 60%. What is the gain to shareholders due to the loan raised by the company?
ROI = EBIT/ Capital EmployedEBIT = ROI × Capital Employed = 25% × 20,00,000 = 5,00,000 Intrest = 20,00,000 × 15% = 3,00,000 Shareholders Gain = EAT ( Earning After Tax) = (EBIT - Intrest)...
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how can i practice for maths??
Solve problems from your own by referring solved examples
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In Semiconductors __________ are responsible for electrical conduction. (Protons, Electrons, Holes, Electrons, holes)
Electrons and holes both
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The SI unit of current is __________. (Ampere, Coulomb, volt, None of these)
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Hi, I want to teach online accounts mainly to Class 11, 12 and B.Com students, but I don't have notes, so is it necessary to have notes or how can I develop them, request you to help me regarding this.
Hi Piyush, in online teaching you have to be systematic and very clear in whatever topic you are targeting and for that you should go point vice, so at least you prepare that piont in your mind before starting your online teaching.
Piyush

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