NAME:_______________________________________________ SECTION:________________________ SCORE:______________
GENERAL PHYSICS II – SUMMATIVE TEST
PART I – Multiple Choice Questions. Encircle your answer.
Q1. ___________ is the branch of electricity which deals with the charges at rest.
a. mechatronics
b. electrostatics
c. electromagnetic
d. electrolytic
Q2. The study of the behavior of the charges, when they are at rest is called electrostatics. True / False
Q3. An atom is electrically ______________.
a. positive
b. neutral
c. negative
d. none is correct
Q4. When free electrons of an atom leaves the external shell then it becomes positive charged. True / False
Q5. The two same charged bodies ____________ each other.
a. attract
b. repel
Q6. Negative charged creates on a body of an atom when any other atom’s electron enter in the external shell.
True / False
Q7. The total ___________ of electrons in a body known as its charge.
a. value
b. deficiency
c. excess
d. b & c are correct
Q8. The two opposites charges always attracts each other.
True / False
Q9. The ability of concentrating the electric flux in a dielectric or insulator is called____________.
a. permittivity
b. gravitational constant
c. electrostatic force
d. electric flux
Q10. Permittivity is also called dielectric constant.
True / False
Q11. The symbol of permittivity is ‘ε’ which is called___________.
a. epsilon
b. sigma
c. magnetic force
d. electrostatics
e.
Q12. When the permittivity of any medium depends on the ratio of electric field strength (E) and resultant density (D) which is called
absolute permittivity.
True / False
Q13. The absolute permittivity formula is ____________________.
a.
b.
c.
d.
ε0
ε0
ε0
ε0
=D+E
=D/E
=E/D
=D–E
Q14. The unit of absolute permittivity is Farad Per Meter (F/m). True / False
Q15. When free space used as a medium for electric field then the permittivity of that medium is called___________________.
a. electric space constant
b. relative permittivity
c. free space permittivity
d. a & c are correct
Q16. The amount of force exerted on a unit positive charge in an electric field is known as _____
a) Electric field intensity
b) Electric flux
c) Electric potential
d) Electric lines of force
Q17. The direction of electric field created by a negative charge is ___________
a) Directed outwards
b) Directed towards the charge
c) Maybe outwards or towards the charge
d) Circular in shape
Q18. Electric field inside a hollow conducting sphere ______
a) Increases with distance from the center of the sphere
b) Decreases with distance from the center of the sphere
c) Is zero
d) May increase or decrease with distance from the center
Q19. Electric field due to a uniformly charged hollow sphere at a distance of r (where r is greater than the radius of the sphere) is
__________
a) Proportional to r
b) Inversely proportional to r
c) Proportional to r2
d) Inversely proportional to r2
Q20. Two point charges q1 and q2 are situated at a distance d. There is no such point in between them where the electric field is zero.
What can we deduce?
a) There is no such point
b) The charges are of the same polarity
c) The charges are of opposite polarity
d) The charges must be unequal
PART II – Draw a diagram differentiating an electrostatic field from an electric field.
PART III - Problem-Solving will be on our next Face-to-Face meeting.