Assertion:The electrical resistance of any object decrease with increase in its length. Reason: Electrical resistance of any object increases with inc

Question

Assertion:The electrical resistance of any object decrease with increase in its length. Reason: Electrical resistance of any object increases with inc

Assertion:The electrical resistance of any object decrease with increase in its length.
Reason: Electrical resistance of any object increases with increase in its area of cross-section.
A. If both assertion and reason are true and reason is the correct explanation of assertion .
B. If both assertion and reason are true but reason is not the correct explanation of assertion .
C. If assertion is true but reason is false .
D. If both assertion and reason are false .

Monjur Alahi

4 views

2025-01-04 04:42

1 Answers

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Salim Ahmed Kawsar · Accepted Answer · 2023-02-05T15:29:48+06:00

Salim Ahmed Kawsar

Correct Answer - D
`R prop l/A`, hence it increases with increase in the length of the object and decreases with increase in its area of cross -section

4 views Answered 2023-02-05 15:29