The light emitted diodes consist of:

The light emitted diodes consist of: (1) Si (2) GaAs (3) Ge (4) Diamond 
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Answer :

The light emitted diodes consist of: GaAs 

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Assume that D1 and D2 in figure are ideal diodes. The value of current I is

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Last Answer : Assume that D1 and D2 in figure are ideal diodes. The value of current I is 0mA

Light Emitting Diodes (LED) is used in fancy electronic devices such as toys emit (1) X-rays (2) ultraviolet light (3) (4) All of the above (4) radio waves

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What are the applications of diode ?

Description : What are the applications of diode ?

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what is a diode

Description : if you got you will receive some cash

Last Answer : A diode is an electronic device which permits one directional flow of electric current.

A zener voltage regulator has load requirements of 12 V and 2 A. The zener diode minimum current

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A diode in which the change in reverse bias voltage varies the capacitance is called as

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Last Answer : A diode in which the change in reverse bias voltage varies the capacitance is called as Varactor diode

The region consisting of holes and electrons near the p-n junction of a diode is

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In which of these is reverse recovery time nearly zero?

Description : In which of these is reverse recovery time nearly zero? (1) Zener diode (2) Tunnel diode (3) Schottky diode (4) PIN diode

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The diode oftenly used for voltage regulation in electronic circuits is

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Barrier potential in a P-N junction is caused by

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A power diode has lightly doped n type substrate sandwiched between heavily doped p and n regions

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The reverse breakdown phenomenon in a zener diode is known as

Description : The reverse breakdown phenomenon in a zener diode is known as

Last Answer : The reverse breakdown phenomenon in a zener diode is known as Avalanche effect

The arrow direction in the diode symbol indicates

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When the diode is forward biased, it is equivalent to

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A forward potential of 10V is applied to a Si diode. A resistance of 1 KΩ is in series with the

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The cut-in voltage of a silicon diode is approx.

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The step Recovery Diode is used as

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In a tunnel diode, electrons can tunnel through the P-N junction mainly because

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Last Answer : In a tunnel diode, electrons can tunnel through the P-N junction mainly because depletion layer is extremely thin 

A beam of ultraviolet light of all wavelengths passes through hydrogen gas at room temperature, in the x. dimction. Assume thatall photons emitted due

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When the wavelength of a spectral line emitted from an object decreases which end of the visible light spectrum does it move toward and what is the object and motion relative to Earth?

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The branch of physics which deals with the measurement of light. emitted by objects is called?

Description : The branch of physics which deals with the measurement of light. emitted by objects is called?

Last Answer : Photometry

The first laser emitted a. Pulses of 694 nm red light b. A continuous red beam c. Pulses of white light from a helical flashlamp d. Spontaneous emission

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Is the width of the range of wavelengths emitted by the light source a. Bandwidth b. Chromatic Dispersion c. Spectral width d. Beamwidth

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The SI standard of time is based on-------? A. the daily rotation of the earth B. the frequency of light emitted by Kr86 C. the yearly revolution of the earth about the sun D. a precision pendulum clock E. none of these (Answer)

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Pick up the correct statement from the following: (A) The minimum frequency of light for which no electrons are emitted, is called threshold frequency (B) Polarising angle of glass is 57.5° (C) At the polarising angle, the reflected and refracted rays are orthogonal (D) All the above

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Light rays that are emitted simultaneously from an LED and propagated down an optical fiber do not arrive at the far end of the fiber at the same time results to ∙ A. intramodal dispersion ∙ B. pulse length dispersion ∙ C. modal dispersion ∙ D. wavelength dispersion

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Is the width of the range of wavelengths emitted by the light source ∙ a. Bandwidth ∙ b. Chromatic Dispersion ∙ c. Spectral width ∙ d. Beamwidth

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What is the color of light emitted from an Argon-Ion laser?

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What name is given to the visible light emitted when charged particles pass through a transparent medium with a velocity exceeding the velocity of light in the medium?

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What is the wavelength of red light emitted by a helium-neon laser? w) 122 nanometers x) 633 nanometers y) 2.43 picometers z) 1.37 micrometers

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When a fast charged particle traverses a dielectric medium at a velocity exceeding the velocity of light in that medium, radiation is emitted. This radiation is known as: w) point radiation x) Cerenkov radiation y) Synchrotron radiation z) Bremsstrahlung

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Should I use diodes?

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which of the following accurately describes junction diodes? -General Knowledge

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Routine maintenance of a ship's service alternator should include ______________. A. changing the pedestal bearing insulation yearly B. megger testing of all rectifying diodes C. lubricating excitation slip rings D. periodic cleaning of the air filters or screens

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Silicon diodes designed for a specific reverse breakdown voltage, become useful as an electronic power supply voltage regulator, called _____________. A. tunnel diodes B. hot-carrier diodes C. compensating diodes D. Zener diodes

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