please answer all the questions if not leave them to someone who can

1. The path around a magnet in which the lines of force move is called a magnetic O A. sphere. B. circuit. O C. zone. O D. force. 2. In the following figure, a conductor is connected to a battery and placed between two compasses. An electric current is then passed through the conductor. In what direction do the north poles of the compasses point? WIRE COMPASS A. In the opposite direction from the magnetic lines of force B. In the same direction as the flow of current through the conductor C. In the same direction as the magnetic lines of force D. In the opposite direction from the flow of current through the conductor 3. When a voltage is induced on a moving conductor in a magnetic field, current will flow only if the conductor is A. large enough in diameter. B. moving slowly. C. part of a closed circuit. O D. formed into a coil. 4. A magnetic circuit is made up of magnetic materials only. O A. complete B. compound C. closed O D. full 5. In a solenoid, where is the magnetic field strongest? O A. Inside the coil B. Outside the coil O C. At the south pole O D. At the north pole 6. What theory of current flow says that electric current flows from the positive side of the source, through the load, to the negative side of the source? O A. Static theory B. Magnetic theory C. Electron theory D. Conventional theory 7. Which of the following units is used to measure magnetic flux density? A. Watt B. Gauss C. Weber O D. Maxwell 8. What is the amount of MMF generated by a 50-turn electromagnetic coil supplied by 12 VDC at a current of one ampere? A. 50 ampere-turns B. 12 ampere-turns C. 38 ampere-turns D. 600 ampere-turns 9. The opposition to magnetic flux as it flows through a magnetic circuit is O A. resistance. B. hysteresis. O C. reluctance. O D. permeability. 10. When using Fleming's right-hand rule for generator action of electromagnetic induction, the forefinger points in the direction of the O A. current flow. B. conductor motion. C. coils windings. D. magnetic flux