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# Electrostatics and Conservation of Electric Charge Quiz

Test your knowledge on the law of electrostatics, conservation of electric charge, ways of charging up an object, and Coulomb's findings. Learn about how like charges repel, opposite charges attract, and how electric charge can be transferred between objects.

Created by
@RespectfulSugilite1916

### Which statement accurately describes the nature of electric charges?

Like charges repel, and opposite charges attract.

### What is the principle of conservation of electric charge?

Electric charge can be transferred from one body to another, but not created or destroyed.

### What is the relationship between the electric force (Fe) and the distance (r) between two point charges, according to Coulomb's law?

Fe is inversely proportional to the square of r.

### What is the value of Coulomb's constant (k) in the expression for the electric force between two point charges?

<p>k = 9.0 × 10^9 (N∙m^2)/C^2</p> Signup and view all the answers

### What is the value of the permittivity of free space (ε0) expressed in the provided units?

<p>ε0 = 8.854 × 10^(-12) C^2/(N∙m^2)</p> Signup and view all the answers

### Match the following methods of charging objects with their descriptions:

<p>Charging by friction = Rubbing two objects together to transfer electric charge Charging by induction = Causing electric charges in an object without direct contact by bringing a charged object close</p> Signup and view all the answers

### Match the following terms with their definitions:

<p>Conservation of Electric Charge = Electric charge can neither be created nor destroyed, only transferred Law of electrostatics = States that like charges repel and opposite charges attract</p> Signup and view all the answers

### Match the following concepts with their explanations:

<p>Electric Force (Fe) = Force exerted by point charges on each other, proportional to magnitudes and inversely proportional to distance squared Coulomb's constant k = Value equal to 9.0 x 10^9 N·m^2/C^2, expressing the proportionality constant in Coulomb's law</p> Signup and view all the answers

### Match the following terms with their values:

<p>Coulomb's constant k = 9.0 x 10^9 N·m^2/C^2 Permittivity of free space (ε0) = 8.854 x 10^(-12) C^2/(N·m^2)</p> Signup and view all the answers

### Match the following statements with their correct descriptions:

<p>Coulomb's constant k expression in terms of permittivity of free space = k = 9.0 x 10^9 N·m^2/C^2 = 1/(4πε0) Relationship between electric force and distance according to Coulomb's law = Fe is inversely proportional to r^2 and directly proportional to the product of charges</p> Signup and view all the answers

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