PES SS 1 Physics 3rd Term 3rd Test
  • 1. The work done when a force acts on a charge from an electric point to another is known as
A) Resistivity
B) Conductivity
C) Electric potential
D) Electric field intensity
  • 2. Which Faraday's law relates the mass of a librated substance directly to the quantity of charge that passed through it
A) Third
B) First
C) Fourth
D) Second
Physics
  • 3. In the electrolysis of aqueous solution of sodium chloride using carbon electrode, which substance is discharged at the anode?
A) c
B) a
C) d
D) b
  • 4. The balance length on a meter bridge is achieved using
A) Variable resistor
B) Jockey
C) Galvanometer
D) Rheostat
  • 5. Which of these is used to convert a galvanometer to an ammeter?
A) Shunt
B) Multiplier
C) Wheatstone bridge
D) Potentiometer
  • 6. Which of these is not a component of a voltmeter ?
A) Electrode
B) Cell
C) Galvanometer
D) Electrolyte
  • 7. The pressure at which current flows is its
A) Electromotive force
B) Voltage
C) Resistance
D) Charge
  • 8. One of these is a positive ion
A) Cation
B) Cathode
C) Anion
D) Anode
  • 9. What is the formula for calculating the force between two protons?
A) Qq/ 4π£oR²
B) Q/ 4π£oR
C) Q/ 4π£oR²
D) qq/ 4π£oR²
  • 10. The permittivity of free space k is given as
A) 3×10⁸ m/s
B) 8.85×10-¹² u/F
C) 1.6×10-⁹ C
D) 9×10⁹ u/F
  • 11. A cell that cannot be reused is a
A) Reserve cell
B) Secondary cell
C) Fuel cell
D) Primary cell
  • 12. What class of lever is a plier?
A) Forth
B) First
C) Second
D) Third
  • 13. In which lever is the load in-between the fulcrum and the effort?
A) Forth
B) Third
C) First
D) Second
  • 14. The output of a machine is
A) Mechanical advantage of the machine
B) Work done by the machine
C) Work done on the machine
D) Velocity ratio of the machine
  • 15. Which of these may not be a cause of the different formulas for calculating the efficiency of the different machines?
A) None
B) Velocity ratio
C) Type of machine
D) Mechanical advantage
  • 16. Ohm's law states that
A) The induced current flows in such a way as to oppose the motion producing it
B) The diffusion of a gas is inversely proportional to the square root of its vapour density at constant temperature
C) The current flowing through a conductor between two points is directly proportional to the voltage across the two points, provided the temperature remains constant.
D) The extension of a material is directly proportional to the load or force applied if the elastic limit is not exceeded
  • 17. One example of amorphous substances is
A) Sugar
B) Glass
C) Salt
D) None
  • 18. A type of force that exists in between molecules of different substances is
A) Fricton
B) Cohesion
C) Adhesion
D) Viscosity
  • 19. The energy that a cell can supply before a circuit is completed is known as
A) Current
B) EMF
C) Resistance
D) Voltage
  • 20. One of these occurs before current is allowed to flow through a voltmeter during electrolysis
A) Formation of a compound by the liberated substances
B) Dissociation of the electrolyte into constituent ions
C) Deposition of substances at the electrodes
D) Movement of ions the their respective electrodes
Students who took this test also took :

Created with That Quiz — where test making and test taking are made easy for math and other subject areas.