iran-konkur 2023 Q62

iran-konkur · Other · konkur-riazi_1402_tir_specialized Not Maths
62. A charge $q = 2\,\text{nC}$ moves along the direction of a uniform electric field from point A to point B, and the electric potential energy decreases by $2\,\text{mJ}$. The potential is $V_B = V_A$ increases by a few volts, and the direction of motion compared to the direction of the electric field is:
(1) $-10^5$ and opposite to the field direction (2) $+10^5$ and opposite to the field direction
(3) $+10^5$ and in the field direction (4) $-10^5$ and in the field direction
\textbf{62.} A charge $q = 2\,\text{nC}$ moves along the direction of a uniform electric field from point A to point B, and the electric potential energy decreases by $2\,\text{mJ}$. The potential is $V_B = V_A$ increases by a few volts, and the direction of motion compared to the direction of the electric field is:

(1) $-10^5$ and opposite to the field direction \hfill (2) $+10^5$ and opposite to the field direction

(3) $+10^5$ and in the field direction \hfill (4) $-10^5$ and in the field direction

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