Static Electricity Notes Electric Charge 1. (Highlight the crrmect answer) The charge on a protion is (positure/megature). 2. (Hight lightethe correct anewer) The charge on an electuon is called (positwe/negatue). 3. Ffightight the lether of each statement that is true about interactions betheen dharges a. Chargs fthat are the same repel each other Ib. Charged objects mever attract each ofther $$ c $$ Charges fhat are sifferent atmact each ofter d. Chargel olberts alhways repel each ofther 4. Why do puotons repel puuturs but atract lecturns? 5. The interaction between electric charges is called $$ \qquad $$ ElectricForce 6. What is electric foute? Q. Hectric field lines are drawn wifh antows to sitcor the $$ \qquad $$ of fine eleation forme 2. Is fhe following senterce the or false? The greater fthe distance fum a chargel abject, fthe stumger the electric fielda. $$ \qquad $$ 10. When fhere are two or more chargs, fthe electric fields of each in oiuitual dhacge $$ \qquad $$ by repelling or attracting

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1. **Proton Charge:**  
   The charge on a proton is **positive**.

2. **Electron Charge:**  
   The charge on an electron is **negative**.

3. **True Statements about Charge Interactions:**  
   - **(a)** Charges that are the same repel each other.  
   - **(c)** Charges that are different attract each other.  
   *(Statements (b) and (d) are false.)*

4. **Reason Protons Repel Protons but Attract Electrons:**  
   Protons are positively charged and electrons are negatively charged. Since like charges repel and opposite charges attract, protons repel each other and attract electrons.

5. **Interaction Between Electric Charges:**  
   The interaction between electric charges is called the **electric force**.

6. **Electric Force Definition:**  
   Electric force is the force of attraction or repulsion between charged objects. According to Coulomb’s law, it is given by  
   $$
   F = k \frac{\left|q_1 q_2\right|}{r^2},
   $$
   where $$ q_1 $$ and $$ q_2 $$ are the charges, $$ r $$ is the distance between their centers, and $$ k $$ is Coulomb's constant.

7. **Electric Field Lines Indication:**  
   Electric field lines are drawn with arrows to indicate the **direction** of the electric field.

8. **True or False Statement About the Electric Field:**  
   The statement "The greater the distance from a charged object, the stronger the electric field" is **false**. In reality, the magnitude of the electric field decreases with distance from the charge.

9. **Superposition of Electric Fields:**  
   When there are two or more charges, the electric fields of each individual charge **superimpose** (i.e., they combine vectorially by repelling or attracting).
1. **Proton Charge:** The charge on a proton is **positive**. 2. **Electron Charge:** The charge on an electron is **negative**. 3. **True Statements about Charge Interactions:** - **(a)** Charges that are the same repel each other. - **(c)** Charges that are different attract each other. 4. **Reason Protons Repel Protons but Attract Electrons:** Protons repel each other because they have the same positive charge and attract electrons because they have opposite charges. 5. **Interaction Between Electric Charges:** The interaction is called the **electric force**. 6. **Electric Force Definition:** Electric force is the force that charged objects exert on each other. 7. **Electric Field Lines Indication:** Electric field lines show the **direction** of the electric field. 8. **True or False Statement About the Electric Field:** The statement is **false**. The electric field actually **weakens** as you move farther away from a charged object. 9. **Superposition of Electric Fields:** When multiple charges are present, their electric fields **add up** (superimpose) by repelling or attracting each other.

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