PHY102: TMA2 Question and Answer

 complete answer PHY102: TMA2

Question 1 : The surface integral of the electric field over a surface is called
A. electric field
B. permitivity
C. charge
D. electric flux

Answer to question 1 is A. electric filed

Question 2 : The potential difference between two points B and A is equal to the —————- in taking a unit positive charge from A to B
A. distance dependent
B. force
C. difference
D. Workdone

Answer to question 2 is . D.workdone

 

Question 3 : For capacitors in parallel, the potential difference across each capacitor is
A. zero
B. shared
C. different
D. the same

Answer to question 3 is D. the same

 

Question 4 : The electrostatic force is conservative because the workdone in taking a charge round a closed path is
A. one
B. infinite
C. large
D. zero

Answer to question 4is D. Zero

 

Question 5 : When a dielectric material is subjected to a sufficiently strong electric field, it becomes a
A. capacitor
B. conductor
C. resistor
D. transistor

Answer to question 5 is B. conductor

 

Question 6 : The work done per unit charge moving from infinity to the point is called
A. universal potential
B. Electric potential
C. zero potential
D. magnetic potential

Answer to question 6 is B. electric potential

Question 7 : The charges on capacitors connected in parallel are in the ratio of their
A. resistivity
B. capacitance
C. effective charge
D. charge

Answer to question 7is B. capacitance

 

Question 8 : Electric potential is measured in
A. JV
B. J/C
C. JC
D. NC

Answer to question 8 is B. J/C

 

Question 9 : The work done in taking a unit positive charge from one point to another in electric field is ———— of the path chosen between the two points
A. independent
B. parallel
C. dependent
D. perpendicular

Answer to question 9 is A. independent

 

Question 10 : The electric field due to an infinite sheet of charge is ———— to the plane of the sheet
A. parallel
B. circular
C. opposite
D. perpendicular

See also  10 reasons I can’t be Peter Obi’s running mate – Aisha Yesufu

Answer to question 10 is D. perpendicular

 

Question 11 : When a dielectric material is inserted between the plates of a capacitor it increases its
A. permitivity
B. resistance
C. capacitance
D. charge

Answer to question 11 is C. capacitance

Question 12 : The SI Unit of potential difference is the
A. volt
B. coulomb
C. metre
D. ohm

Answer to question 12 is A. volt

 

Question 13 : When a positive charge is repelled by another positively charged body its potential energy becomes
A. increased
B. decreased
C. transfered
D. constant

Answer to question 13 is B. decreased

Question 14 : When the charge density at any point depends only on the distance of the point from a central point and not on the direction of the charge distribution is said to be
A. ellipsoidal
B. distance dependent
C. spherically symmetric
D.  directionless

Answer to question 14 is B. distance dependent

 

Question 15 : Which of the following is a device that can store electric charge
A. capacitor
B. voltmeter
C. resistor
D. iron

Answer to question 15 is A. capacitor

 

Question 16 : For capacitors connected in series each has the same
A. charge
B. wire
C. current
D. potential difference

Answer to question 16 is A. Charge

 

Question 17 : The energy stored in a system of charges is known as
A. total charge
B. electrostatic potential energy
C. potential energy
D. electrokinetics

Answer to question 17 is B. electrostatic potential energy

Question 18 : The electric field outside a spherically symmetrical shell with radius r and total charge q is directed
A. centrally
B. linearly
C. radially
D. diagonally

Answer to question 18 is C. radially

Question 19 : A body when raised above the earth’s surface is said to acquire
A. weight
B. kinetic energy
C. energy
D. potential energy

See also  Governor Yahaya Bello and Other Illustrious son of Ebira to grace Ebira Carnival 2019 to celebrate Nov 16th poll victory

Answer to question 19 is B. Kinetic energy

 

Question 20 : Which of the following is not an example of dielectric material
A. mica
B. glass
C. wood
D. steel

Answer to question is D. steel

 

  1. PHY102: TMA1 Question and answer
  2. PHY102: TMA3 QUESTION AND ANSWER

Be the first to comment

Leave a Reply

Your email address will not be published.


*