if we know the variation of potential \( (V) \) at that point. Now let the electric potential in... VIDEO
if we know the variation of potential \( (V) \) at that point. Now let the electric potential in volt along the \( x \)-axis vary as \( V=2 x^{2} \), where \( x \) is in meter. Its variation is as shown in figure.
A charge particle of mass \( 10 \mathrm{mg} \) and charge \( 2.5 \mu \mathrm{C} \) is released from rest at \( x=2 \mathrm{~m} \). The variation of electric field \( (E) \) along the \( x \)-axis is expressed by
(2)
(3)
(4)
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