IndiaBIX

Electronics and Communication Engineering - Materials and Components - Discussion

Discussion Forum : Materials and Components - Section 6 (Q.No. 44)
Materials and Components
44.

Assertion (A): In a conductor, current density remains constant in time as long as E is constant.

Reason (R): In a conductor, J = σE.

Both A and R are true and R is correct explanation of A
Both A and R are true but R is not correct explanation of A
A is true but R is false
A is false but R is true
Answer: Option
Explanation:

In conductors constant E means constant current because conductivity is constant.

Discussion:
Be the first person to comment on this question !
Post your comments here:

Your comments will be displayed after verification.

Quick links
Quantitative Aptitude
Verbal (English)
Reasoning
Programming
Interview
Placement Papers