Answer to Question #282921 in Atomic and Nuclear Physics for BIGIRMANA Elie

Atomic and Nuclear Physics

Question #282921

A copper wire is stretched to make it 0.2% longer. What is the percentage change in its resistance?

Expert's answer

"R\\sim \\frac lS,"

"l_1=1.02l,"

"S_1=0.98 S,"

"R_1\\sim\\frac{1.02l}{0.98S}=1.04\\frac lS,"

"R_1=1.04R," 4%.

Learn more about our help with Assignments: Atomic Physics Nuclear Physics

Comments

No comments. Be the first!

Leave a comment

Related Questions

1. A current of 2 A flowing through a coil of 100 turns gives rise to a magnetic flux of 5 × 10−5
2. 8. If the real normalized functions f(x) and g(x) are not orthogonal, show that their sum f(x) +g(x)
3. 1. Using the Weiszacker’s formula, calculate the binding energy per nucleon for 23592 U andits two
4. In the Helium-Neon laser, lasing occurs between two excited states of the neon atom. However, in
5. 2. (a) A radioactive nucleus 18072 X undergoes a series of radioactive α, β−, α, γ radiations
6. 7. The atomic ratio between Uranium isotope 238U and 234U in a mineral sample is found to be 1.8 ×
7. 6. The polonium isotope 210 84 Po is unstable and emits a 5.30 MeV alpha particle. The atomic mass o