Term
| Fundmental Properties of Matter |
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Definition
1. All matter has mass
2. Form
3. energy equivalence (E=mc^2)
4. electric charge (+/-) |
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Term
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Definition
| Ths study of fixed, stationary charges |
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Term
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Definition
| The process of adding or subtracting electrons from matter |
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Term
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Definition
1. Repulsion-attraction
2. The magnitude of the charge of 2 objects is directly proportional to the force between them
3. Inverse-Square Law - As you increase the distance between 2 charged objects, the electrostatic force between them will be less
4. Distribution - Negative charges are going to reside on the surface of conductors
5. Concentration - negative charges reside at the greatest curvature
6. Movement - only negative charges will move |
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Term
| 3 Methods of Electrification |
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Definition
1. Friction
2. Contact
3. Induction |
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Term
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Definition
| Electrification that occurs when one object is rubbed against another and, due to difference in the number of electrons available on each, electrons travel from one to the other. |
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Term
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Definition
| Electrifiaction occurs when 2 objects touch, permitting electrons to move from one to the other. |
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Term
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Definition
| The procesof electrical fields acting on one another without contact. |
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Term
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Definition
| A device that can detect if an object has a charge on it |
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Term
| Electrification occurying when 2 objects touch, permitting electrons to move from one to the other. |
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Definition
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Term
| The process of electrical fields acting in one another without contact |
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Definition
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Term
| A device that can detect if an object has a charge on it |
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Definition
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Term
| The study of fixed, stationary charges |
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Definition
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Term
| The process of adding or subtracting electrons from matter |
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Definition
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Term
| Electrification that occurs when one object is rubbed against another and, due to the difference in the number of electrons available on each, electrons travel from one to the other |
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Definition
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Term
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Definition
| The polarization of a material |
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Term
| The polarization of a material |
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Definition
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Term
| Name 3 Classes of Magnets |
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Definition
1. Naturally occurring
2. Artificial Permanent
3. Temporary Magnet/Electromagent |
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Term
| Name a naturally occurring magnet |
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Definition
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Term
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Definition
| A naturally occurring magnet |
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Term
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Definition
| A coiled conductor that carries a current. |
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Term
| A coil consisting of a series of loops, which serve to increase flux density. |
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Definition
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Term
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Definition
1. Repulsion/Attraction - like poles repel and opposite poles attract
2. Inverse Square Law - the force between 2 magnetic fields is directly proportional to the product of their magnitudes and inversely proportional to the square of the distance between them.
3. Magnetic Poles - Every magnet has 2 poles, north and south. |
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Term
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Definition
| An element that is a magnet or can become a magnet |
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Term
| An element that is a magnet or can become a magnet |
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Definition
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Term
| Why are some materials magnets and others are not? |
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Definition
| 1. Electron spin - magnets have electrons that spin in the same direction creating a magnetic field. |
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Term
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Definition
| An accumulation of many atomic magnets with their dipoles aligned. |
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Term
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Definition
| Current that flows in an infintesimally small loop |
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Term
| Another name for magnatic dipole |
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Definition
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Term
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Definition
The force fields that are created when magnetic dipoles orient to create a magnet.
Also calllsed lines of flux and magnetic field. |
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Term
| The force fields that are created when magnetic dipoles orient to create a magnet |
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Definition
Lines of force or
Flux lines or
Magnetic field |
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Term
| Credited for demonstration line of force |
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Definition
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Term
| The unit for measuring magnetic flux density |
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Definition
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Term
| The SI unit used to measure magnetic flux |
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Definition
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Term
| When the magnetic field exists perpendicular to the direct travel of the charged particles. |
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Definition
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Term
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Definition
| When the magnetic field exists perpendicualar to the direct travel of the charges particles. |
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Term
| Credited with making the link between electric charges and magnetism |
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Definition
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Term
| Laid down the groundwork for a motor |
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Definition
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Term
| What type of motor spins the anode in the x-ray tube? |
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Definition
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Term
| Flux lines inside a magnet run: |
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Definition
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Term
| Flux line outside a magnet run: |
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Definition
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Term
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Definition
| Can be magnetized or nonmagnetized |
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Term
| Laid the groundwork for magnetic induction |
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Definition
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Term
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Definition
1. Ferromagnetic - Materials that are highly permeable and susceptible to magnetic induction (ex: iron, cobalt & nickel)
2. Paramagnetic - Materials that have a low permeability and weak attraction to magnetic fields (ex: aluminum)
3. Diamagnatic - Materials weakly repelled by all magnetic fields (ex: beryllium, bismuth, lead)
4. Nonmagnetic - Materials not affected by magnetic fields and that cannot be magnetized (ex: wood, glass, rubber, plastics) |
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Term
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Definition
| The ease at which a material can be magnetized |
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Term
| The ease at which a material can be magnetized |
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Definition
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Term
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Definition
| The ability of a material to stay magnetized |
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Term
| The ability of a material to stay magnetized |
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Definition
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Term
| What type of relationship exists between Permeability and Retentivity? |
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Definition
Inverse.
High permeability = Low retentivity
Low Retentivity = High Permability |
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Term
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Definition
| Electrons move first in one direction and then reverse and move in the opposite direction |
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Term
| Electrons move first in one direction and then reverse and move in the opposite direction |
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Definition
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Term
| Any charge in motion creates a ______. |
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Definition
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Term
| The source of electrons in the x-ray tube is the _______. |
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Definition
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Term
| Groups of atomic magnets set up ________ on a magnetic element. |
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Definition
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Term
| Whose experiemnt demonstrated the magnetic field lines? |
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Definition
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Term
| A magnetic field lies _______ to the motion of the charges object. |
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Definition
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Term
| Who established the first link between electricity and magnetism? |
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Definition
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Term
| Flux density (field strength) |
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Definition
| The number of lines per given area making up the magnetic field |
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Term
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Definition
| The SI unit for magnetic flux |
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Term
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Definition
| A solenoid with an iron core |
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Term
| Through electrification by contact, the neutral object gets the _____ charge. |
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Definition
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Term
| X-rays will place a _____ charge on a "charged" electroscope. |
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Definition
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Term
| An atomic magnet is referred to as a _____/ |
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Definition
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Term
| A positively charged atom |
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Definition
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Term
| A negatively charged atom can become neutral by _________. |
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Definition
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Term
| A ______ exists around all charged particles in motion. |
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Definition
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Term
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Definition
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Term
| Radiant energy is a form of _____ and _____ energy. |
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Definition
| Thermal and Electromagnetic |
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Term
| When one combs their hair, the hair becomes _____ charged. |
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Definition
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Term
| A reservoir for excess electrons |
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Definition
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