Chemistry, asked by priya7114, 7 months ago

If a wire is stretched, so that its length is 20% more
than its initial length, the percentage increase in
the resistance of the wire is
(1) 409
(2) 1096
(3) 44%
(4) 25%​

Answers

Answered by Vaishnavimewati
4

Answer:

Explanation:

If a copper wire is stretched so that its length increases by 20% then what is the percentage increase in its resistance (assuming its volume remaing constant) ? ∴%Changing in resistance=1.44RoRo×100=0.44×100=44%

Answered by panashyadav2
0

THE CORRECT OPTION IS (3) 44°/• ...

Previous Question
Next Question
Similar questions
Math, 3 months ago
hello! good morning!! what is X - 58 = 6 i need the check most importantly, so please add that!​
Hindi, 3 months ago
प्रकृति सौंदर्य का वर्णन यहां प्रस्तुत किया गया है |वाक्य में क्रिया विशेषण शब्द पहचानिए​...
Math, 3 months ago
ONLY: Calculate the cost of the number of units used.
History, 7 months ago
Arrange the following in correct sequence 1. Ambedkar established depressed class association 2. Jallianwala bagh massacre 3. Second round table conference 4. Non cooperation khilafat movement launched...
English, 7 months ago
Choose the appropriate kind for the given sentences: I don’t trust him but I had to share the news with him.
English, 11 months ago
swami went home and says that the head master beat him severely. the parents asked that why the headmaster had beaten him .swami said that the headmaster beats him yesterday.swami's father said why the headmaster has beaten him without any cause.swami replied to his father that he headmaster beats him everyday.swami's mother told swami to attend the classes regularly.swami went home and says that...
English, 11 months ago
One error in each line plz tell correct words​...
History, 11 months ago
why did the British encourage growth of commercial crops? Name some of these crops​...