Physics, asked by panjwanimahemood, 1 year ago

A wire of lenghth I and resistance R is stretched so that its length is doubled and the
area cross section is halved. How will its:

a. Resistance change
b. Resistivity change

Answers

Answered by Alkri

1

Resistance becomes 4 times the initial resistance.
Resistivity remains the same

Previous Question

Next Question

Similar questions

Math, 6 months ago

सौरिने समद्विबाहु त्रिभुजों के शीर्षकोण समान हैं और उनके क्षेत्रफल 9:16 के अनुपात में हैं। उनके संगत शीर्षलंबों का अनुपात ज्ञात कीजिए। नेताफल नराबर हों तो सिद्ध कीजिए कि ये त्रिभुज सर्वांगसम हैं।...

Physics, 6 months ago

show that torque acting on a body is equal to the product of the force and lever arm...

Math, 6 months ago

the difference between the place value and the face value of 8 in 482913 is...

Social Sciences, 1 year ago

Slate 4 demerits of conventional source of energy.

Chemistry, 1 year ago

4. Write operator names symbol in boxes with Relational Operators...

Math, 1 year ago

what is the formula of lateral surface area of cubiod and cube...

Math, 1 year ago

my question is no. 1...

Math, 1 year ago

is -a+b equals to b-a?