Physics, asked by tffgamer420, 4 days ago

14. Resistance of a material at 2°C and 40°C are 45W and 85W respectively. Find its temperature coefficient of resistivity.

Answers

Answered by Shubhampro112

1

Answer:

Solution

T0=10∘C,T=40∘C,R0=45Ω,R=85Ω

α=1R0ΔRΔT

α=145(85−4540−10)=145(4030)

α=0.0296per∘C

Explanation:

Previous Question

Next Question

Similar questions

English, 2 days ago

Competency Based Questions (CBQs) Q... Rind out the different parts of speech in the paragraph xiven below: Mahatma Gandhi was born and raised in a Hindu family in contul Gujarat, western India, Gandhi was trained in Law at Inner Temple and called to the bar at the age of 22 in June, 1891. After two uncertain years in India, where he was unable to start a successful law practice, he moved to...

Physics, 2 days ago

what causes the phases of moon...

Geography, 2 days ago

5. Sundarbans is situated in (a) Amazon basin (C) Velds (b) Prairies (d) Ganga-Brahmaputra basin ...

Chinese, 4 days ago

out of 52 students 12 are absent .what percent of the students are present...

Math, 4 days ago

decimal add 4.7+2.8...

English, 8 months ago

Choose the correct infinitive: I hurried back to the room feeling too nervous, for it is much easier to steal something then to return it undetected too nervous to steal to the room...

English, 8 months ago

pls tell answer i will give 20 points...

Social Sciences, 8 months ago

what are the reasons for the development of trade relations between east and the west ?