We are given three copper wires of diffe...

We are given three copper wires of different lengths and different areas of cross-section. Which one of the following would have highest resistivity ?

Copper wire of 50 cm length and 1 mm diameter

Copper wire of 25 cm length and 0-5 mm diameter

Copper wire of 10 cm length and 2.0 mm diameter

All the wires would have same resistivity

Text Solution

Verified by Experts

Similar Questions

Explore conceptually related problems

Two resistive solenoids are made of same geometry and same number of turns per unit length. Copper wire used to make the solenoids are having different radius of cross section. Which of the following quantities are different for solenoids?

The resistance of the material of unit length and unit area of cross section is

Rahul has two wires of the same material but of different lengths and areas of cross-section. Rahul wanted to find difference in their resistivities? What could be difference in the resistivities?

When the length and area of cross-section both are doubled, then its resistance

Two wires are of the same material but of different lengths and areas of cross-section. Will their resistivities be same or different ?

Two copper wires A and B of length l and 2l respectively, have the same area of cross-section. The ratio of the resistivity of wire A to the resistivity of wire B is

Four wires made of same material have different lengths and radii, the wire having more resistance in the following case is

A copper wire of length 2m and area of cross-section 1.7 xx 10^(-6)m^(2) has a resistance of 2 xx 10^(-2) ohms. Calculate the resistivity of copper.

We are given three copper wires of different lengths and different areas of cross-section. Which one of the following would have highest resistivity ?

Text Solution

Similar Questions

Recommended Questions