Electrical conductivity

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  1. 55057   8 

    LD Apparatus for resistance measurements

    Apparatus for resistance measurements

    Details
  2. 550601   8 

    LD Set of conductors/insulators

    Set of conductors/insulators

    Details
  3. 56718   8 

    LD Wrapping plate for wires

    Wrapping plate for wires

    Details
  4. Resistance wires

    To examine the dependence of electric resistances on material, length and cross section of the wire used.

    Kat.-Nr.DiameterLengthCross sectionSpecific resistorMaterial
    550 35   8 0,2 mm100 m0,03 mm20,6 Ω/mCopper
    550 390,5 mm50 m0,2 mm20,4 Ω/mBrass
    550 40   8 0,2 mm100 m0,03 mm215,4 Ω/mConstantan
    550 410,25 mm100 m0,05 mm210,4 Ω/mConstantan
    550 3610,3 mm100 m0,07 mm27,7 Ω/mConstantan
    550 42   8 0,35 mm100 m0,1 mm25 Ω/mConstantan
    550 430,4 mm50 m0,12 mm24 Ω/mConstantan
    550 440,5 mm50 m0,2 mm22,5 Ω/mConstantan
    550 4430,7 mm20 m0,4 mm21,3 Ω/mConstantan
    550 4451 mm20 m0,8 mm20,6 Ω/mConstantan
    550 450,2 mm100 m0,03 mm234,5 Ω/mChrome-nickel
    550 46   8 0,25 mm100 m0,05 mm221,3 Ω/mChrome-nickel
    550 47   8 0,35 mm100 m0,1 mm211 Ω/mChrome-nickel
    550 480,4 mm50 m0,12 mm28,2 Ω/mChrome-nickel
    550 490,5 mm50 m0,2 mm25,4 Ω/mChrome-nickel
    550 51   8 0,2 mm100 m0,03 mm23,3 Ω/mIron
  5. 58680   8 

    LD Noble metal resistor

    Noble metal resistor

    Details
  6. 586821   8 

    LD Semiconductor resistor, 5 kΩ

    Semiconductor resistor, 5 kΩ

    Details
  7. 667550

    LD Superconductor experiment kit for making superconductors

    Superconductor experiment kit for making superconductors

    Details
  8. 667551   8 

    LD Meissner-Ochsenfeld effect, experiment kit

    Meissner-Ochsenfeld effect, experiment kit

    Details
  9. 667553

    LD Experiment kit Superconductor

    Experiment kit Superconductor

    Details
  10. 554161   8 

    LD Discharge tube, canal rays

    Discharge tube, canal rays

    Details
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