reference: https://drive.google.com/file/d/1CKgK_0A_jH1kSdAdJz1Bglf4OjLDS-dp/view?usp=sharing

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What I Know Instruction: Write the letter of the correct answer on a separate sheet of paper. 1. Where does the electrical energy induced in a conductor come from if we apply the law of conversion of energy to electromagnetic induction? A. heat energy C. potential energy B. kinetic energy D. mechanical energy 2. Who introduced the law which states the direction of induced current in a circuit is always opposite in its direction? 2 A. Faraday B. Fleming C. Lenz D. Newton For numbers 3-4, refer to the diagram below. X X X X X X A conducting rod with length L moves horizontally on a set of conducting rails at a constant velocity v through a magnetic field B. 3. What is the direction of the induced current in the circuit? A. Left C. Clockwise B. Right D. Counterclockwise 4. What is the direction of the induced magnetic field? A. Left C. Into the page B. Right D. Out of the page5. A loop of wire sits in an unchanging magnetic field. Which of the following does NOT induce a current through the loop? A. stretching the loop C. spinning the loop about its center B. squeezing the loop D. rotating the loop about its diameter 6. Two identical coaxial circular loops carry a current in the same direction. What will happen to the current if the loops approach each other? The current on both loops will A. increase C. remains the same B. decrease D. increase and decrease 7. The north pole of a long horizontal bar magnet is brought closer to a vertical conducting plane along the perpendicular direction. What is the direction of the induced current in the conducting plane? A. vertical C. clockwise B. horizontal D. counterclockwise 8. What type of current is produced by AC generators? A. alternating B. direct C. fixed D. negative 9. In a region of space, the magnetic field increases at a constant rate. This changing magnetic field induces an electric field. What happens to the induced electric field? A. becomes constant C. increases in time B. becomes conservative D. decreases in time 10. A conducting bar travels through magnetic field B at constant velocity v. Which part of the bar has a higher electric potential? A. bottom B. center C. neither D. top 11. What is true of an AC generator? I. It works on the principle of electromagnetic induction. II. A pair of slip rings are used in the AC generator. III. The electrical energy of the rotation is converted into mechanical energy. IV. The mechanical energy of the rotation is converted into electrical energy. 3H.I&H E.H&.III C.I,H&.III D.I,H&.W 12. At an instant oftiJne during the oscillations of an LCcircuit, the voltage is zero. What is the current across the capacitor at this instant? a. zero C. maximum value B. minimum value D. different from that across the inductor 13. At an instant of time during the oscillations of an LC circuit, the voltage is at maximum value. What is the current across the capacitor at this instant? a. minimum value (3. maximum value E. momentarily zero D. different om that across the inductor 14. Why do power companies supply AC not DC? 1. DC is more dangerous 'ian AC. 1]. There is no Iongern needfor DC. 311. It is easier to transmit AC than DC. IV. There are no enough batteries to be used. A. I only B. 11 only C. III only D. IV only 15. What will happen to the current in the LC circuit if the capacitor is fully charged by DC source, then it is disconnected from the DC source? a. oscillate infinitely C. decays monotonically B. grows monotonically D. becomes zero instantaneously