Kategorie produktů

Electrical resistance

  • Ohm's law
  • Use of Ohm's law
  • Resistance of wires
  • Resistivity of wires
  • Ohmův zákon v železném vodiči
  • Similarity between lamps and positive temperature coefficient (PTC) conductors
  • Series connection of ohmic resistors
  • Paralle connection of ohmic resistors
  • Mixed circuits containing ohmic resistors
  • Voltage dividers
  • Variable resistors
  • Potentiometer model
  • Changing the brightness of lamp using a potentiometer
  • Model of a fader (bridge circuit)
  • Potentiometer with no load
  • Potentiometer with load
  • Internal resistance of a voltmeter
  • Internal resistance of an ammeter
  • Extending the measuring range of a voltmeter
  • Extending the measuring range of an ammeter
  • Wheatstone's bridge

Equipment: