Advertisements
Advertisements
Question
The specific resistance of a conductor depends on its ______.
Options
Length
Material
Area of cross section
Radius
Solution
The specific resistance of a conductor depends on its material.
Explanation:
It depends on the material and is independent of the wire's dimensions, including area, radius, length, and form.
APPEARS IN
RELATED QUESTIONS
Write an expression connecting the resistance of a wire and specific resistance of its material. State the meaning of symbols used.
Name two factors on which the specific resistance of a wire depends?
How does (a) resistance, and (b) specific resistance of a wire depend on its (i) length, and (ii) radius?
Distinguish between the resistivity and conductivity of a conductor.
The electrical resistance of insulators is ____________.
The proper representation of series combination of cells obtaining maximum potential is
 |
 |
 |
 |
| (i) | (ii) | (iii) | (iv) |
What is electrical resistivity? In a series electrical circuit comprising a resistor made up of a metallic wire, the ammeter reads 5 A. The reading of the ammeter decreases to half when the length of the wire is doubled. Why?
What is electrical resistivity of a material? What is its unit? Describe an experiment to study the factors on which the resistance of conducting wire depends.
In the given circuit determine the value of:
- Total resistance of the circuit
- Current flowing through the ammeter.
Two copper wires can have the different ______ but will have same ______.
