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  2. Ohm's law - Wikipedia

    en.wikipedia.org/wiki/Ohm's_law

    The two resistors follow Ohm's law: The plot is a straight line through the origin. The other two devices do not follow Ohm's law. There are, however, components of electrical circuits which do not obey Ohm's law; that is, their relationship between current and voltage (their I–V curve) is nonlinear (or non-ohmic).

  3. List of physics mnemonics - Wikipedia

    en.wikipedia.org/wiki/List_of_physics_mnemonics

    A Magic Triangle image mnemonic - when the terms of Ohm's law are arranged in this configuration, covering the unknown gives the formula in terms of the remaining parameters. It can be adapted to similar equations e.g. F = ma, v = fλ, E = mcΔT, V = π r 2 h and τ = rF sinθ.

  4. File:Ohms law wheel WVOA.svg - Wikipedia

    en.wikipedia.org/wiki/File:Ohms_law_wheel_WVOA.svg

    English: Simplified Ohm's law wheel using unit symbols. This is specially useful for teaching Ohm's law to young students. This is specially useful for teaching Ohm's law to young students. Note: VA ( volt amps ) has been substituted for W ( watts ), which is approximately the same in most cases, but can be vastly different in large systems ...

  5. International System of Electrical and Magnetic Units

    en.wikipedia.org/wiki/International_System_of...

    The 1893 system of units was overdefined, as can be seen from an examination of Ohm's law: V = I R. By Ohm's law, knowing any two of the physical quantities V, I or R (potential difference, current or resistance) will define the third, and yet the 1893 system defines the units for all three quantities. With improvements in measurement ...

  6. File:Key Signature Flashcards.pdf - Wikipedia

    en.wikipedia.org/wiki/File:Key_Signature...

    This file is licensed under the Creative Commons Attribution-Share Alike 3.0 Unported license. You are free: to share – to copy, distribute and transmit the work; to remix – to adapt the work; Under the following conditions: attribution – You must give appropriate credit, provide a link to the license, and indicate if changes were made ...

  7. Voltage drop - Wikipedia

    en.wikipedia.org/wiki/Voltage_drop

    Ohm's law can be used to determine the DC voltage drop by multiplying current times resistance: V = I R.Also, Kirchhoff's circuit laws state that in any DC circuit, the sum of the voltage drops across each component of the circuit is equal to the supply voltage.

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