Coulomb's Law of electrostatic force states that -------- a. Force between two charges is directly proportional to the product charges and inversely proportional to the square of distance between them. b. Force between two charges is directly proportional to the product charges and inversely proportional to the distance between them. c. Force between two charges is directly proportional to the product charges and inversely proportional to the square of radius of the charges. d. Force between two charges is directly proportional to the product masses and inversely proportional to the square of distance between them.
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Step 1: Coulomb's Law states that the force between two charges is directly proportional to the product of the charges and inversely proportional to the square of the distance between them. Show more…
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'the force between two charges depends on directly to square of the distance between two charges and inversely to the product of the two charges directly to the square of the product of the two charges and inversely to the square of the distance between the two charges inversely to the product of the two charges and directly to the distance between two charges directly to the product of the two charges and inversely to the square of the distance between the two charges'
Madhur L.
Sri K.
Electrostatic force The magnitude of the electrostatic force between two point charges $Q$ and $q$ of the same sign is given by $F(x)=\frac{k Q q}{x^{2}},$ where $x$ is the distance (measured in meters) between the charges and $k=9 \times 10^{9} \mathrm{N} \cdot \mathrm{m}^{2} / \mathrm{C}^{2}$ is a physical constant (C stands for coulomb, the unit of charge; N stands for newton, the unit of force). a. Find the instantaneous rate of change of the force with respect to the distance between the charges. b. For two identical charges with $Q=q=1 \mathrm{C},$ what is the instantaneous rate of change of the force at a separation of $x=0.001 \mathrm{m} ?$ c. Does the magnitude of the instantaneous rate of change of the force increase or decrease with the separation? Explain.
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