Home
Class 10
PHYSICS
The resistivity of copper is 1.7xx10^(-8...

The resistivity of copper is `1.7xx10^(-8) Omega m.` What length of copper wire of diameter 0.1 mm will have a resistance of `34 Omega` ?

Text Solution

Verified by Experts

The correct Answer is:
15.71 m
Promotional Banner

Similar Questions

Explore conceptually related problems

A copper wire has diameter 0.5 mm and resistivity of 1.6 xx 10^(-6) Omega m. What will be the length of this wire to make its resistance 10Omega ? How much does the resistance change if the diameter is doubled?

Two copper wires A and B have the same mass. The resistance of wire A is 0.5 Omega and the length of wire B is double that of wire A. Find the resistance of wire B.

The resistance of wire is 10 Omega IF the length of wire is increase by n% the new resistance is 10.2 Omega then n…..

At room temperature (27.0^(@)C) the resistance of a heating element is 100 Omega. What is the temperature of the element if the resistance is found to be 117 Omega. given that the temperature coefficient of the material of the resistor is 1.70 xx 10 ^(-4)"" ^(@)C^(-1).

At room temperature (28.0^(@) C) the resistance of a heating element is 100 Omega . What ic. the temperature of the element if the resistance is found to be 117 Omega , given that the temperature coefficient of the material of the resistor is 1.70 xx 10^(-4)""^(@) C^(-1) .

Two wires of equal lengths one of copper and other of manganin have the same resistance which wire is thicker ?

Resistance of platinum wire in one platinum resistance thermometer at ice point and at steam point are respectively 10 Omega and 10.78 Omega . When this thermometer is kept in one heat bath, its resistance is found to be 10.123 Omega . Find temperature of this heat bath in degree Fahrenheit (""^(@)F).

The external diameter of a 314 m long copper tube is 1.2 cm and the internal diameter is 1 cm. calculate its resistance if the specific resistance of copper is 2.2xx10^(-8) ohm-metre.

If specific resistance of a potentiometer wire is 10^(–7 ) Omega m , the current flow through it is 0.1 A and the cross-sectional area of wire is 10^(–6) m^(2) then potential gradient will be

The current in the primary circuit of a potentiometer wire is 0.5 A. Specific resistance of wire is 4 xx 10^(-7) Omega m and area of cross section of wire is 8 xx 10^(-6) m^(2) . The potential gradient on the wire would be