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Sushin Tiwari asked a question

The answer is A 

In the depletion layer, electrons combine with holes producing charge density so that region is depleted of charge carriers  but it has charge density .

Conclusion: Neutral but still having non zero charge density .

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Mousham khatiwada over 2 years ago
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Rabin Kalikote

Happy Mother's Day, sir.

Reply over 2y
Diwas Pandit asked a question

The order of magnitude of a physical quantity is its magnitude in powers of ten when the physical quantity is expressed in powers of ten with one digit to the left of the decimal.

Orders of magnitude are generally used to make very approximate comparisons and reflect very large differences.

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Diwas Pandit asked a question

Yes, if the angle between the two vectors is more than 90o but less than 2700. (cosΘ is negative)

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