A particle that carries a net charge of -41.8 μC is held in a
region of constant, uniform electric field. The electric field
vector is oriented 55.2° clockwise from the vertical axis, as
shown. If the magnitude of the electric field is 5.82 N/C, how much
work is done by the electric field as the particle is made to move
a distance of d = 0.156 m straight up?
What is the potential difference between the particle\'s initial
and final positions (Vf - Vi)?
Given : charge on the particle q = -41.8 uC
magnitude of electric field = 5.82 N/C
Work is done against the field and the paticle has negative charge . so the work has to be done against the force
so the work done is +ve
W = F*dispalcement
W = - qEd cos a
W = - (-41.8*10^-6) * 5.82 * 0.156 * cos 55.2
W = 2.16*10^-5 J
b) potential difference = (Vf - Vi) = W/Q
(Vf - Vi) = (2.16*10^-5) / (-41.8*10^-6)
(Vf - Vi) = -0.518 V
A particle that carries a net charge of -41.8 μC is held in a region of...
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