AIC SS 2 Physics Exam 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) kQ/2ε₀B) 2kQ/ε₀C) 0 N/CD) kQ/4ε₀2. A wire of resistance 8 Ω is connected in series with another wire of resistance 4 Ω. What is the equivalent resistance?A) 4 ΩB) 8 ΩC) 3 ΩD) 12 Ω3. 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 A4. 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) Resistance of the conductorD) Square of the voltage across the conductor5. 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) 3.0 × 10-6 TC) 1.0 × 10-6 TD) 4.0 × 10-6 T6. The magnetic field inside a solenoid is stronger whenA) The number of turns is increasedB) The length of the solenoid is increasedC) The diameter of the solenoid is decreasedD) The current through the solenoid is decreased7. In an AC circuit, the voltage across a resistor is given by V = V₀sin(ωt). What is the peak voltage?A) 2V₀B) V₀C) √2V₀D) V₀/28. A charge of 2 μC experiences a force of 4 N in an electric field. What is the magnitude of the electric field?A) 8 N/CB) 16 N/CC) 4 N/CD) 2 N/C9. 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) 2 ΩB) 1 ΩC) 3 ΩD) 4 Ω10. Which of the following materials is a good conductor of electricity?A) CopperB) RubberC) GlassD) Wood11. A moving charge experiences a magnetic force whenA) The charge is moving opposite to the direction of the magnetic fieldB) The charge is at restC) The charge is moving parallel to the magnetic fieldD) The charge is moving perpendicular to the magnetic field12. Coulomb's law states that the force between two charges is directly proportional toA) All of the aboveB) The product of their magnitudesC) The inverse of the square of the distance betweenD) The square of the distance between them13. 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) 9 ΩB) 6 ΩC) 3 ΩD) 27 Ω14. The unit of electric power isA) Ohm (Ω)B) Volt (V)C) Joule (J)D) Watt (W)15. The magnetic field inside a solenoid with a ferromagnetic core isA) The same as in an air-core solenoidB) Stronger than in an air-core solenoidC) Weaker than in an air-core solenoidD) Zero16. The force experienced by a current-carrying conductor in a magnetic field is maximum when the angle between the conductor and magnetic field isA) 90 degreesB) 0 degreesC) 180 degreesD) 45 degrees17. Ampere's law relates the magnetic field around a closed loop to theA) Resistance of the loopB) Current passing through the loopC) Voltage across the loopD) Electric field inside the loop18. The impedance of a purely resistive circuit is equal toA) The resistance of the circuitB) The sum of the resistance and reactanceC) The reactance of the circuitD) Zero19. The state of a body at rest or in uniform motion is .........A) ResultantB) EquilibrantC) EquilibriumD) Moment20. ......... is the single force acting alone which would produce the same effect as the two forces put togetherA) MomentB) EquilibriumC) ResultantD) Equilibrant21. 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) 35 m/sB) 20 m/sC) 30 m/sD) 25 m/s22. 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 m/sB) 18.06 m/sC) 28.048 m/sD) 26.6 m/s23. ......... is referred to as the turning effect force about a point or axisA) ResultantB) MomentC) MotionD) Equilibrant24. In elastic, collision ......A) Loss energyB) Gain energyC) NoneD) Loss momentum25. The two types of curved mirrors are ..........A) Concave and ConvexB) Concrete and CorneredC) Artificial and NaturalD) Conflict and Complex26. ......... is the line drawn through the poles of a mirror and the center of curvatureA) Radius of curvatureB) Principal focusC) Principal axisD) Pole27. The point at which all rays parallel and close to the principal axis converge at reflection is ........A) PoleB) Principal focusC) Center of curvatureD) Principal axis28. 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 diminishedD) The image formed is real29. The two types of prism are ......... and ........A) Concave and ConvexB) Longitudinal and TransverseC) Rectangular and TriangularD) Linear and Circular30. The velocity of sound can be measured using the following method exceptA) Stationary methodB) Wave methodC) Resonance tune methodD) Echo method
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