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What is short circuit current solar cell?
 

Important Questions on Solids

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Two p - n photodiodes are fabricated from semiconductors with band gap of 2.8eV and 2.6eV, respectively.

Choose the correct statement from the following.

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LED is constructed from Ga-As-P semiconducting material. The energy gap of this LED is 1.9 eV. Calculate the wavelength of light emitted and its colour. h=6.63×10-34 J-s and c=3×108 m s-1
MEDIUM
The given graph represents V - I characteristic for a semiconductor device.
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Which of the following statement is correct?
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How do you calculate output current of solar cell?
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Statement-1 : Light emiting diode (LED) emits spontaneous radiation.

Statement-2 : LED is forward-biased p-n junction.

MEDIUM
Avani’s family uses filament bulbs at home while Om’s family uses LED bulbs. Which family will save more electricity? Write five other ways to save electricity.
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The I-V characteristic of an LED is
MEDIUM

Represent the union of two sets by Venn diagram for each of the following.

X={x | x is a prime number between 80 and 100}

Y={y | y is an odd number between 90 and 100}

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 What type is a solar panel cooker?
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How do you relate solar cell with diode?
 

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An LED operates under which biasing condition?
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What are the benefit or advantages of solar cell?
MEDIUM
A p-n photodiode is fabricated from a semiconductor with band gap of 2.8 eV. Can it detect a wavelength of 6000 nmh = 6.626×10-34 Js
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The solar cell can also be considered as a sun basket as it converts solar energy into electrical energy.
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What is solar cell and how it works?
 
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What are the applications of solar cells ?
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In the following a statement of Assertion is followed by a statement of Reason.

Assertion: Photodiode should be used in reverse bias.

Reason: It is easier to observe the change in the current in photodiode circuit with change in the light intensity if photodiode is used in reverse bias.
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What is the PV equivalent circuit and its parameters?