Question:
Given below are two statements :
Assertion (A) : Work done by electric field on
moving a positive charge on an equipotential
surface is always zero. 
Reason (R) : Electric lines of forces are always
perpendicular to equipotential surfaces. 
In the light of the above statements, choose the
most appropriate answer from the options given
below :
(1) Both (A) and (R) are correct but (R) is not the correct explanation of (A)
(2) ((A) is correct but (R) is not correct
(3) (A) is not correct but (R) is correct 
(4) Both (A) and (R) are correct and (R) is the correct explanation of (A)
 

                                                       JEE-2024       

Solution:                
Given below are two statements : Assertion (A) : Work done by electric field on moving a positive charge on an equipotential surface is always zero. Reason (R) : Electric lines of forces are always perpendicular to equipotential surfaces. In the light of the above statements, choose the most appropriate answer from the options given below : (1) Both (A) and (R) are correct but (R) is not the correct explanation of (A) (2) ((A) is correct but (R) is not correct (3) (A) is not correct but (R) is correct (4) Both (A) and (R) are correct and (R) is the correct explanation of (A) JEE-2024

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