What is the resistance of a 160 m wire with a uniform diameter of 0.28 mm, if the specific resistance is 12.32 μΩ-cm?
A) 3.2 Ω B) 3.2 μΩ
C) 0.8 Ω D) None of these
Description : If a wire conductor of 0.2 ohm resistance is doubled in length, its resistance becomes?
Description : Which of the following is the name given to resistance of thin films that are uniform in thickness? A) Area resistance B) Sheet resistance C) Filmy resistance D) None of these
Description : What happens to the resistance of a wire when its length as well as the cross-sectional area are doubled? A) It doubles B) It becomes 4 times C) It becomes 2π times D) It remains the same
Description : Consider a cube of material of sides 1 cm with a resistance of 0.003 Ω between its opposite faces. What is the resistance if the same volume of the material is drawn into a length of 50 cm with a uniform cross – section? A) 0.003 Ω B) 0.15 Ω C) 7.5 Ω D) None of these