Chemistry-Conductance
NEET Chemistry Conductance Assertion Reason Question
Type: Assertion Reason-assertion-Hard-Class 12
Assertion (A): The electrical resistance of an object depends on its length and cross-sectional area. | Reason (R): Resistivity is a measure of how strongly a material opposes the flow of electric current.
A
Both A and R are true and R is the correct explanation of A.
B
Both A and R are true but R is not the correct explanation of A.
C
A is true but R is false.
D
A is false but R is true.
Correct Answer
Option A
Detailed Explanation
The assertion and reason are both true, and the reason correctly explains the assertion. The resistance is directly proportional to the length and inversely proportional to the cross-sectional area, while resistivity is the material-specific factor influencing resistance.
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