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Yogita Ingle an hour ago

Nairobi is first meeting was held in Port Alegre but seventh meeting in Kenya.

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Babita Bhardwaj 33 minutes ago

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Yogita Ingle 2 hours ago

The Maharaja of Pratibandapuram is the Tiger King. He got that name because at the time of his birth, astrologers predicted that he would die due to a tiger. So when he grew up, he decided to kill all the tigers and came to be known as the Tiger King. He killed ninety-nine tigers but the hundredth tiger, a wooden one, was instrumental in his death.

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Gaurav Seth 3 hours ago

Resistance increases, in case of conductor, with increase in temperature and decreases, in case of insulator, due to increase in temperature.


In case of conductor, the valance band and conduction band overlap with each other. So, there are excess electrons in the conduction band of a conductor. When you increase the temperature, more electrons will go to the conduction band from valance band by absorbing the energy. So, the conduction band becomes crowded and there will be more collision between the electrons which increases the resistance. So, with increase in temperature, the resistance of conductor increases.


But in case of insulator, there is a large energy gap between the two bands. So, if the temperature rise is high, the electrons will go to the upper band. But since it is not crowded due to less number of electrons, so the conductance will increase due to availability of free electrons in the conduction band. So, the resistance decreases with increase in temperature in insulator.

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No it's wrong CBSE syllabuses was already changed New CBSE syllabus for 2020-2021: Check out all the changes Here is the overview of the changed CBSE syllabus for 2020-2021 for classes 9, 10, 11 and 12.          If you want to check the subject-wise official PDFs of the changed CBSE syllabus, check theofficial website for the CBSE curriculum here:

Rajdeep Koli 5 hours ago


Yaar 😍 6 hours ago

Naah ..

Saksham Malhotra 14 hours ago

  • 2 answers

Gaurav Bagga 4 hours ago

Sedimentary cycle are the materials invilved are in non gaseous state and these cycles are nearly impetfect

Gaurav Bagga 4 hours ago

Gaseous cycles are those in which materials involved in cycling are in gaseous state
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Yogita Ingle 17 hours ago

 Electric potential difference between two points in an Electric field is defined as the amount of work done in moving unit positive charge from one point to another point against the electric force.

In other words, Potential difference is simply the difference of scalar potentials between two points or anything you consider.

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