Electricity Test

EVALUATION ON CHAPTER 1

A. Choose The Correct Answer!
1. The model of an atom is shown in the figure X. Proton is in the number....................................
 
   
   
2. The figure X is the model atom has ..............charge
 
 
 
3. A comb can draw the paper bits because it has electrically charge by rubbing the comb with the wool. Which is the correct statement?
A. The electrons can move from the paper bits to the comb.
B. The electrons can move from the comb to the paper bits.
C. The electrons can move from the comb to the wool.
D. The electrons can move from the wool to the comb.
4. The correct interaction of two nearby charged object
1 st object 2nd object interaction
A. A plastic com
B. A glass rod
C. Ebonite
D. Wood PVC pipe
A plastic comb
A plastic ruler
The paper bits Repel each other
Repel each other
Attract each other
Attract each other

5. The types of insulator materials are.........
A. Rubber, plastic, and copper
B. Rubber, copper, and PVC
C. Rubber, PVC, and plastic
D. Rubber, copper, and aluminum
6. The attractive force between to two charges P and Q is F. If P is doubled, then the force will be........................
A. ½ F C. 2F
B. F D. 4 F
7. A space around an electric charge is called.........
A. Coulomb’s force
B. Electric field
C. Electric potential
D. Induction
8. Electric potential is..........
A. The energy required for generating electric current
B. The energy required for induction
C. The potential energy per unit charge
D. The energy required for charging a neutral object
9. If the electroscope’s head is touched by an ebonite that has already been rubbed with wool, then..................
A. The electroscope’s leaf moves apart because it is negatively charged
B. The electroscope’s leaf moves apart because it is positively charged
C. The electroscope’s leaf moves closer because it is positively charged
D. The electroscope’s leaf moves closer because it is negatively charged
10. An instrument for generating a large electric charge is.....
A. Electroscope
B. Magnifier
C. Torsion Balance
D. Van De Graaff Generator

B. Answer the question!
1. To draw the lines of force from two attracted opposite charges!
2. Charging an object can be performing in three methods. Those are...................
3. Two object P and Q have charges + 2C and + 4C are 2 cm apart. What is the Coulomb’s force between those charges? What kind of the force?
4. What is the magnitude of electric field intensity experienced by 4 µC of charge with distance 2 cm ?