R15.18

Resource Description

  • Current, potential difference & resistance
  • Voltmeter, ammeter & resistors & how to connect them
  • Relationship between V & I to find R
  • Graph of V vs I
  • Ohm’s law
  • Factors affecting resistance
  • Connecting in series & parallel & how they affect currents
  • Special concepts about meters
  • Emf & internal resistance
  • Internal resistance of a cell
  • Different & derived equations for electrical circuits.

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