Physics, asked by ICSEExam711, 3 months ago

How is the resistance of a wire affected if its (i) length is doubled (ii)radius is doubled?

Answers

Answered by anshika1802

Answer:

Hello mate

Explanation:

(a) Resistance of a wire is directly proportional to the length of a wire; so if the length is doubled, resistance is also doubled.

(b) Resistance of a wire is inversely proportional to the area of cross-section the wire. Thus, if radius is doubled, area increases four times and hence the resistance becomes one-fourth.

Previous Question

Next Question

Similar questions

Social Sciences, 1 month ago

Who gave the call lnquilab zindabad...

Math, 1 month ago

A box has 25 balls of which 9 are red and the rest yellow . Rehmat pics one third of the red balls and half of the yellow balls. What fraction of the balls are left in box? Solving...

English, 1 month ago

$\huge\underline\blue{What iss respiration?}$ ...

Social Sciences, 3 months ago

Q1) Hitler's foreign policy successes between 1935 and 1939 were the result of his own tactical skills and his ability to exploit the weaknesses of his opponents.' How far would you agree with this view? Give arguments substantiated by evidence.

Social Sciences, 3 months ago

Nalanda was granted the income received from- *...

English, 10 months ago

Who do you think I in the poem why...

Math, 10 months ago

verify a that 1/2,1 -2 are the zeros OF a cubic polynomial 2xcube+x² - 5x+2 also verify the relation with their coffiecients...

English, 10 months ago

you said please help him immediately into indirect...

How is the resistance of a wire affected if its (i) length is doubled (ii)radius is doubled?​

Answers

How is the resistance of a wire affected if its (i) length is doubled (ii)radius is doubled?