Home
Class 12
PHYSICS
The resistivity of iron is 1 xx 10^(-7) ...

The resistivity of iron is `1 xx 10^(-7)` ohm -m. The resistance of a iron wire of paritcular length and thickness is 1 ohm. If the length and the diameter of wire both are doubled, then the resistivity in ohm-m will be

Promotional Banner

Similar Questions

Explore conceptually related problems

Resistivity of a material of wire is 3 * 10^(-6) Omega-m and resistance of a particular thickness and length of wire is 2 Omega . If the diameter of the wire gets doubled then the resistivity will be

Resistivity of a material of wire is 3 * 10^(-6) Omega-m and resistance of a particular thickness and length of wire is 2 Omega . If the diameter of the wire gets doubled then the resistivity will be

The specific resistance of manganin is 50 xx 10^(-8) ohm xx m . The resistance of a cube of length 50 cm will be

"The resistance of a wire is 1 ohm". Explain the statement.

The resistance of a wire is 10 ohm. The resistance of a wire whose length is twice and the radius is half, if it is made of same material is

Resistance of a metal wire of length 2 m is 40 ohm. If the diameter of the wire is 0.3 mm. What will be the resistivity of the metal at that temperature?

The resistance of a wire of length 10 cm is 2 ohm, then its conductance is . . . . . . . . . .

The resistance of wire of length l and area of cross-section a is x ohm. If the wire is stretched to double its length, its resistance would become: