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| magnetic fields are created by: |
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1. moving charges
2. currents in wires
3. permanent magnets |
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| when a charge moves parallel... |
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| the magnetic force on a moving charged particle is always perpendicular to... |
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| the velocity and the B field |
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| a particle moving perpendicular to a constant B field will |
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| have uniform circular motion |
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| current is in the direction that |
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| positive charges would flow |
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Definition
| individual atoms have no net magnetic field |
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| paramagnetic and ferromagnetic: |
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| individual atoms do have a net B field |
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| current flows from ___ potential to ___ potential |
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| higher to lower (analogous to masses) |
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| current flows from the ____ terminal to the ___ terminal |
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| current is the direction in which ___ charge would flow |
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| current is the opposite to the direction of ___ flow |
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| greater resistance with... |
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| 1. longer, thinner, higher temps |
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Definition
| at any junction the sum of currents in will equal the sum of currents out --- conservation of electric charge |
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| each additional resistor added in parallel acts to decrease the total resistance and therefore... |
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| parallel resistors experience _____ voltage drop |
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| each additional resistor added in series increases the total resistance and therefore... |
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| decreases the total current |
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| energy is ____ in one complete loop of a circuit |
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| each capacitor added in parallel acts to____ the total capacitance |
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| voltage across each parallel capacitor is |
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Definition
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| each capacitor added in series acts to___ total capacitance |
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Definition
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| the total voltage drop across a series of capacitors is the sum of |
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Definition
| the voltage drops across each separately |
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| larger spring constant k means |
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| equilibrium point of SHM is the point where |
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| is SHM the frequency and period are |
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| independent of the amplitude |
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| the point of maximum displacement |
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| the point of maximum displacement |
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| SHM: maximum acceleration occurs at |
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Definition
| particles oscillate perpendicular to direction of wave motion |
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| particles oscillate aLONG the direction of the wave motion |
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| destructive interference occurs when waves are |
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| points in the wave that remain at rest |
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| points that fluctuate with the maximum amplitude |
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| solid, liquid, and gas---but NOT through a vacuum |
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| higher harmonics have ___ wavelengths and ___ frequencies |
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