D. battery, armature, and DC power supply7. Which of these is the commutator function in the generator?A. Acts as a rectifier that converts AC voltage to DC voltage within thewinding of the armature.B. Diminish the energy loss caused by Eddy Current.C. Offer magnetic fields where the coil is rotating.D. Provides electricity to the generator.8. What do you call a device that generates electrical current when a wire coil iswrapped around an iron core and rotated close to a magnet?A. carB. magnetC. motorD. generator9. Which is NOT a distinctive attribute of an electrical generator?A. Electric generator turns mechanical energy into electric energy.B. Electric generator turns electric power into mechanical energy.C. It provides electricity.D. It is based upon the electromagnetic induction theory.10. What do you call a huge wheel (associated with generators) that rotates whendriven by water, wind, or steam?A. MotorB. PipeC. TurbineD. Magnet11. Which of the following is a device that converts electrical energy intomechanical energy?A. electric bicycleB. microwave ovenC. rice cookerD. all of the above12. Which of the following is the correct explanation of the electrical motoroperation?A. Electric motor uses electricity.B. The operation is based on the principle of electromagnetism.C. The motor converts electric energy into mechanical energyD. All of the above13. What do you call a device that transforms mechanical energy into electricalenergy?A. electric chargeB. electric motorC. electric generatorD. electric current14. Which is the correct sequence in the operation of simple motor?I. Magnets placed near one another either attract or repel.II. The attraction and repulsion causes the wire to jump.III. Electric current starts to creep along wire; it creates a magneticfield all around it.IV. Electrical energy converted to mechanical energy.V. Temporary magnetic field interacts with the permanent magnetA. V, IV, II, II, IB. III, V, I, II, IVC. V, III, I, IV, IIID. III, II, IV, I, V15. Which two forces are required to operate with generators and electricmotors?A. electric and magneticB. electric and thermalC. magnetic and radiantD. magnetic and thermal Directions: Read each question carefully. Choose the letter of the correct answer.Use a separate sheet of paper for your answer.1. What do you call an energy converting system that transforms electricalenergy into mechanical movement?A. Electric motorB. Electric fieldC. Electric generatorD. Electric plasma2. Which of the situation below shows how a basic electric motor works?A. The energy contained in the batteries of the vehicle is transformed intowheel rotation.B. Electrical energy converted into blade rotation in the food processor andcut down food.C. Both A and BD. None of these3. Which is the correct sequence in the operation of generator in theproduction of electricity in Hydroelectric Power Plant?I. A turbine converts the kinetic energy of the falling water intomechanical energy.II. Hydropower plants capture the energy of falling water to generateelectricity.III. Once an electrical current has been established, it is directedthrough copper wires to power machines and devices.IV. The generator converts the mechanical energy from the turbineinto electrical energy.A. I, IV, II, IIIВ. IП, , IV, IIC. IV, I, III, IID. III, II, IV, I4. He was credited for discovering that electric currents create magnetic fields,which was the first connection found between electricity and magmetism.A. James MaxwellB. Hans Christian ØrstedC. Michael FaradayD. Alessandro Volta5. What will happen to the coiled wire in a model of an electric motor if themagnetic poles are repulsed and attracted?A. The coil remains stable.B. The coil fluctuates and converts electrical energy into chemical energy.C. The coil stops and changes mechanical energy into electrical energy.D. The coil rotates and changes electrical energy into mechanical energy.6. What are the three basic parts of an electric generator?A. commutator, stator, and motor shaftB. armature, brushes, and batteryC. stator, rotor, and commutator

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Accepted Answer

As per our policy i have attempted only first question.
 7.
Commutator:

In generator the main…