Electricity and Magnatism CFU
Quiz by Christopher Glover
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10 questions
Show answers
- Q1What does a simple electric motor do?Converts Potential Energy to chemical energyChanges Mechanical energy to electrical energyChanges electricity to Mechanical energy30s
- Q2Where can Electric motors get their source of electricity?the electromagnet is connected to a battery or other source of electric currentfrom a gasoline motorfrom the wires coming from the wall of a house30s
- Q3Which best describes a Turbine?a Large wheel that rotates when pushed by electricity or gasHuge wheels that rotate when pushed by water, wind, or steamthe motor that is turned by the power made at a electric plant60s
- Q4What are the sources of energy that can turn the wheel on a Turbine?Wind, and waterWind, Water and SteamSmall Gas Motor, a rubber band, a person60s
- Q5Which best describes a Generator?A Generator contains magnets that are rotated by turbines, mechanical energy is changed to chemical energy, can be found in small versions that are ran by a gasoline motorA Generator contains coils of wire that are stationary, magnets that are rotated by turbines, mechanical energy is changed to electrical energy, can be found in small versions that are ran by a gasoline motorA Generator contains coils of wire that are stationary, magnets that are rotated by turbines, mechanical energy is changed to electrical energy,60s
- Q6Where is the energy for our houses obtained from?Energy comes form the wires on the poles outside our homesPower plants produce electric energy for our homesWe get electricity form the local company that uses batteries to send us energy to our homes60s
- Q7What is an Electromagnet?When a wire in an electric circuit is wrapped around an iron core producing a magnetic field.when a generator is used to make electricity using wireA battery , a nail and wire.60s
- Q8Which of the following is the best way that you can stop an Electromagnet from working?when the circuit is broken an electromagnet loses its magnetism when the electric current stops flowingwhen a generator is used to make electricity using wirewhen you increase the amount of electricity and magnetism the electric current stops flowing.60s
- Q9Which best describes Magnetism?a magnetic field that applies a force, a push or pull, without actually touching an objectIs the force of attraction or repulsion of magnetic materials. a magnet has a magnetic field that applies a force, a push or pull, without actually touching an objectelectric current flowing through a wire wrapped around an iron core forms a magnet.60s
- Q10What are the two ways an Electric current can flow?1. a coil of wire attached to a battery 2. a magnet spinning around a coil of wire1. a coil of wire spinning around a magnet 2. a magnet spinning around a coil of wire.1. a coil of wire spinning around 2. a magnet attached to a Battery60s
