The electric field intensity is the negative gradient of the electric potential. State True/False.

The electric field intensity is the negative gradient of the electric

1.	The electric field intensity is the negative gradient of the electric potential. State True/False.
A.	True
B.	False
Answer» B. False

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If potential V = 20/(x2 + y2). The electric field intensity for V is40(x i + y j)/(x2 + y2)2. State True/False.
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IF_THE_POTENTIAL_IS_GIVEN_BY,_V_=_10SIN_‚ÂÀ√≠‚ÄÖ√†√®_COS‚ÂÀ√¨‚ÀÖ√∫/R,_FIND_THE_DENSITY_AT_THE_POINT_P(2,_‚ÂÀ√¨‚ÀÖ√Ë/2,_0)?$#
If_V_=_2x2y_+_20z_‚Äö√Ñ√∂‚àö√ë‚àö¬®_4/(x2_+_y2),_find_the_density_at_A(6,_-2.5,_3)_in_nC/m2.$#
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If potential V = 20/(x2 + y2). The electric field intensity for V is