AIC SS 2 Physics Revision Test for 3rd Term 2022/23
 1. Two point charges, +Q and -Q, are placed 5 cm apart. What is the electric field strength at a point midway between them?A) 2kQ/ε₀B) 0 N/CC) kQ/2ε₀D) kQ/4ε₀2. A positive charge is moved against the direction of an electric field. What happens to the potential energy of the charge?A) Depends on the charge magnitudeB) Remains constantC) DecreasesD) Increases3. A parallel plate capacitor with plate area A and separation d is connected to a battery of voltage V. What is the electric field between the plates?A) Vd/(ε₀A)B) V/(ε₀A)C) V/(ε₀d)D) V/(ε₀Ad)4. A wire of resistance 8 Ω is connected in series with another wire of resistance 4 Ω. What is the equivalent resistance?A) 3 ΩB) 8 ΩC) 4 ΩD) 12 Ω5. A circuit has a 12 V battery connected to three resistors in series: 4 Ω, 6 Ω, and 8 Ω. What is the total current flowing through the circuit?A) 3 AB) 2 AC) 1 AD) 0.5 A6. Ohm's law states that the current through a conductor is directly proportional toA) Inverse of the resistance of the conductorB) Voltage across the conductorC) Square of the voltage across the conductorD) Resistance of the conductor7. A current-carrying wire produces a magnetic field. What happens to the magnetic field if the current is doubled?A) DoublesB) QuadruplesC) Remains the sameD) Halves8. A straight wire carries a current of 2 A. What is the magnitude of the magnetic field at a distance of 4 cm from the wire?A) 2.0 × 10-6 TB) 4.0 × 10-6 TC) 3.0 × 10-6 TD) 1.0 × 10-6 T9. The magnetic field inside a solenoid is stronger whenA) The current through the solenoid is decreasedB) The length of the solenoid is increasedC) The number of turns is increasedD) The diameter of the solenoid is decreased10. In an AC circuit, the voltage across a resistor is given by V = V₀sin(ωt). What is the peak voltage?A) 2V₀B) V₀/2C) √2V₀D) V₀11. The electric field inside a conductor in electrostatic equilibrium isA) ZeroB) ConstantC) Varies with timeD) Varies with distance12. Two point charges, +Q and -2Q, are placed 10 cm apart. At which point between the charges is the electric field zero?A) 4 cm from +QB) 6 cm from +QC) 8 cm from +QD) 2 cm from +Q13. A charge of 2 μC experiences a force of 4 N in an electric field. What is the magnitude of the electric field?A) 16 N/CB) 8 N/CC) 2 N/CD) 4 N/C14. A circuit has a 12 V battery connected to three resistors in parallel: 2 Ω, 3 Ω, and 6 Ω. What is the total resistance of the circuit?A) 1 ΩB) 2 ΩC) 4 ΩD) 3 Ω15. A wire of resistance 10 Ω carries a current of 2 A. What is the voltage across the wire?A) 20 VB) 2VC) 12 VD) 21 V16. Which of the following materials is a good conductor of electricity?A) WoodB) RubberC) GlassD) Copper17. The strength of the magnetic field inside a solenoid depends onA) The number of turns and current flowing through the solenoidB) The length and diameter of the solenoidC) The temperature of the solenoidD) The material of the solenoid core18. A moving charge experiences a magnetic force whenA) The charge is moving opposite to the direction of the magnetic fieldB) The charge is moving parallel to the magnetic fieldC) The charge is at restD) The charge is moving perpendicular to the magnetic field19. The charge is moving opposite to the direction of the magnetic fieldA) Left-hand ruleB) Gauss's lawC) Right-hand ruleD) Ampere's law20. In an AC circuit, the phase difference between the voltage and current is 90 degrees in aA) Purely inductive circuitB) Combination of inductive and capacitive circuitC) Purely capacitive circuitD) Purely resistive circuit21. The electric field lines around a positive point chargeA) EllipticalB) Radially outwardC) Radially inwardD) Circular22. The electric field between two oppositely charged parallel plates isA) UniformB) ZeroC) IndeterminateD) Non-uniform23. Coulomb's law states that the force between two charges is directly proportional toA) All of the aboveB) The inverse of the square of the distance betweenC) The square of the distance between themD) The product of their magnitudes24. A circuit has a 9 V battery connected to a resistor. If the current in the circuit is 3 A, what is the resistance of the resistor?A) 3 ΩB) 6 ΩC) 9 ΩD) 27 Ω25. Kirchhoff's junction rule is based on the principle ofA) Conservation of chargeB) Conservation of massC) Conservation of energyD) Conservation of momentum26. The unit of electric power isA) Watt (W)B) Volt (V)C) Joule (J)D) Ohm (Ω)27. The magnetic field inside a solenoid with a ferromagnetic core isA) The same as in an air-core solenoidB) Weaker than in an air-core solenoidC) ZeroD) Stronger than in an air-core solenoid28. The force experienced by a current-carrying conductor in a magnetic field is maximum when the angle between the conductor and magnetic field isA) 45 degreesB) 180 degreesC) 90 degreesD) 0 degrees29. Ampere's law relates the magnetic field around a closed loop to theA) Voltage across the loopB) Current passing through the loopC) Resistance of the loopD) Electric field inside the loop30. The impedance of a purely resistive circuit is equal toA) The reactance of the circuitB) The resistance of the circuitC) The sum of the resistance and reactanceD) Zero31. The state of a body at rest or in uniform motion is .........A) ResultantB) MomentC) EquilibriumD) Equilibrant32. ......... is the product of the mass of the body and its velocityA) MotionB) ResultantC) MomentumD) Collision33. ......... is the single force acting alone which would produce the same effect as the two forces put togetherA) ResultantB) MomentC) EquilibriumD) Equilibrant34. When taking a penalty kick, a player applied a force of 30N for a period of 0.05 seconds if the mass of the ball is 0.075 kg. Calculate the speed within which the ball moved.A) 30 m/sB) 20 m/sC) 25 m/sD) 35 m/s35. ....... arises when two objects come in touch or in contact with each otherA) MomentumB) FrictionC) CollisionD) Elasticity36. One of these is an example of collisionA) AutomaticB) StaticC) FlushD) Dynamic37. A ball of mass 0.5 kg moving at a velocity of 28 m/s is suddenly hit by a force of 6N for 0.04 second. Find the new velocity.A) 18.06 m/sB) 18 m/sC) 26.6 m/sD) 28.048 m/s38. ......... is referred to as the turning effect force about a point or axisA) EquilibrantB) MotionC) ResultantD) Moment39. In elastic, collision ......A) Loss energyB) NoneC) Gain energyD) Loss momentum40. To every action there is an equal and opposite reaction is Newton'sA) Fourth lawB) Second lawC) First lawD) Third law41. The two types of curved mirrors are ..........A) Concrete and CorneredB) Artificial and NaturalC) Concave and ConvexD) Conflict and Complex42. ......... is the line drawn through the poles of a mirror and the center of curvatureA) Principal focusB) Principal axisC) Radius of curvatureD) Pole43. The point at which all rays parallel and close to the principal axis converge at reflection is ........A) PoleB) Principal axisC) Principal focusD) Center of curvature44. ......... can be defined as the ratio of the image distance to the object distanceA) Image distanceB) Image heightC) Object distanceD) Magnification45. Which of these is not true when object is located beyondA) The image formed is same size as objectB) The image formed is invertedC) The image formed is realD) The image formed is diminished46. A constant used to express the nature of medium through which light rays is propagated is .........A) ReflectionB) Refractive indexC) RefractionD) Magnification47. The two types of prism are ......... and ........A) Concave and ConvexB) Rectangular and TriangularC) Linear and CircularD) Longitudinal and Transverse48. ......... is an unpleasant sound produced at different frequenciesA) ToneB) EchoC) BeatD) Noise49. The velocity of sound can be measured using the following method exceptA) Wave methodB) Echo methodC) Resonance tune methodD) Stationary method50. Which of these is not a characteristics of sound waves?A) ToneB) LoudnessC) PitchD) Ripple
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