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Nuetrik [128]
3 years ago
4

Electric force on a dust particle having charge equal to 8X10-19 C when plates are separated by a distance of 2cm and have a pot

ential difference of 5 kV is
Physics
1 answer:
lara31 [8.8K]3 years ago
4 0

Answer:

8×10⁻¹⁷ N

Explanation:

from the question, Electric force is given as

F = QV/r.............. Equation 1

Where F = Electric Force,  Q = Charge, V = Electric potential, r = distance.

Given: Q = 8×10⁻¹⁹ C, V = 5 kV = 5000 V, r = 2 cm = 0.02 m.

Substitute into equation 1

F = 8×10⁻¹⁹(5000)(0.02)

F = 8×10⁻¹⁷ N

Hence the electric force on the dust particle is  8×10⁻¹⁷ N

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