lanabarahmeh05 lanabarahmeh05
  • 03-06-2019
  • Physics
contestada

a cylindrical copper rod has resistance r its reformed to half its original length what is its new resistance

Respuesta :

Shin2112 Shin2112
  • 03-06-2019

Answer:

1/2 r

Explanation:

length is directly proportionate to resistance

with shorter length, the resistance is lower

Answer Link

Otras preguntas

What two sublevels of orbitals contain valence electrons? (s, p, d, or f)?
Every day, Navya's teacher randomly picks a number from 1 to 80 to be the number of the day. The number of the day can be repeated. There are 180 days in the sc
Which is an empirical formula? (1) P2 O5 (3) C2 H4(2) P4 O6 (4) C3 H6
In which pair do the particles have approximately the same mass? (1) proton and electron (2) proton and neutron (3) neutron and electron (4) neutron and beta pa
Which change takes place in a nuclear fusion reaction? (1) Matter is converted to energy. (2) Energy is converted to matter. (3) Ionic bonds are converted to co
Which radioisotope is a beta emitter?(1) 90Sr (3) 37K(2) 220Fr (4) 238U
1) Find the equation of the line with slope equal to 3 and passing through point (3, 4). Write the equation in slope-intercept form. 2)Find the equation of the
How does Sedimentary Rock form?
what is an expression that describes the relationship between each input and output
How did the Renaissance shape European art thought and religion