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Ask QuestionPosted by Nisha Kumari 6 years, 9 months ago
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Posted by Yogesh Lohar 6 years, 9 months ago
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Sia ? 6 years, 9 months ago
An N-Type semiconductor is created by adding pentavalent impurities like phosphorus (P), arsenic (As), antimony (Sb), or bismuth (Bi).
P-Type Semiconductor. The addition of trivalent impurities such as boron, aluminum or gallium to an intrinsic semiconductor creates deficiencies of valence electrons, called "holes". It is typical to use B2H6 diborane gas to diffuse boron into the silicon material.
Posted by Manish Yadav 6 years, 9 months ago
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Posted by Arya Dubey 6 years, 9 months ago
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Sia ? 6 years, 9 months ago
In perfect competition, there are two main reasons why a firm cannot get away with setting its prices above the market price. First, there is no difference between its product and that of every other firm in the market. Therefore, no one will pay extra for a firm’s product. If a firm tries to charge a higher price, buyers will go with other sellers, while at a lower price, the firm will not be able to cope with demand due to a large number of buyers.
Second, if a firm were to succeed in setting a higher price, more firms would enter the market, attracted by the higher profits that were available. This would increase supply and drive down the price of the firm’s product. These two factors make it impossible for firms to set their prices above the market price. This makes them into price takers.
Posted by Shaily Jain 6 years, 9 months ago
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K@Łp@N@ $Øđh!?? 6 years, 9 months ago
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Sia ? 6 years, 9 months ago
A perfect number is a positive integer that is equal to the sum of its positive divisors, excluding the number itself. For instance, 6 has divisors 1, 2 and 3, and 1 + 2 + 3 = 6, so 6 is a perfect number.
Posted by Aniket Raj 6 years, 9 months ago
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Rishabh Rathi 6 years, 9 months ago
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K@Łp@N@ $Øđh!?? 6 years, 9 months ago
Gaurav Seth 6 years, 9 months ago
Molar mass of NaOH=40g per mole
no. of moles in 5g of NaOH=5/40=0.125
volume of solution=450mL=0.45L
molarity of solution=no.of moles of solute/volume of solution
=0.125/0.45
=0.277777777778=0.28(approx.)
Posted by Lucky Chahal 6 years, 9 months ago
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Computer Application is a additional subject, typography is not in the syllabus, check here : http://cbseacademic.nic.in/curriculum.html
Posted by Jatin Punia 6 years, 9 months ago
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Tannu Dalal 6 years, 8 months ago

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Divya Verma 6 years, 9 months ago
0Thank You