Question
The resistance of a conductor ________ and a
semiconductor _________ on heating.Solution
When the temperature of metallic conductor increases, the velocity of free electrons increases but it also cause increase in amplitude of vibration of metallic atoms which cause some extra hindrance or resistance in the path of free electron. Hence resistance increases in investing the temperature whereas the resistance of a semiconductor decreases with increase in temperature and vice versa. Hence, option A is correct.Â
The Legend of Lakshmi Prasad by Twinkle Khanna is a compilation of 4 distinct short stories, one of them being inspired by real life.
Who is the author of the book ‘Courts of India: Past to Present’?
The beneficiaries under the Integrated Child Development Services (ICDS) Scheme are children in the age group of:
Where is Duncan passage located?Â
What was the code name given by Indian Air Force for February 2019 surgical Strike on Balakot?Â
Which of the following Indian musicians was referred to as ‘Ghazal King’?
In the following question, select the missing number from the given alternatives.
45, 15, 60, 75, 135, ?
In June 2020, Amit Panghal and Vikas Krishan were nominated for ______ by the Boxing Federation of India.
Where will the first IIT campus outside India be established to expand the reach of the Indian Institutes of Technology (IITs)?
Consider the following statements about e-Shakti initiate of the Government of India:
1. e-Shakti is a pilot project of National Bank for Agricul...
Relevant for Exams:
