Parallel circuits

• How do parallel circuits treat potential difference?

  All components get full source potential difference
• What happens if one component in a parallel circuit breaks?

  The overall circuit remains intact
• If a circuit has a 12 volt battery, what voltage do all components receive?

  12 volts
• How is current shared in parallel circuits?

  Current is shared between all loops
• If a circuit has two loops with a total of 4 amps, what could the current in each loop be?

  3 amps in one, 1 amp in another
• What determines how the current splits in a parallel circuit?

  The resistance of individual components
• How can you visualize current flow in parallel circuits?

  Like water flowing down a hill
• What happens to total resistance when more components are added in parallel?

  Total resistance decreases
• Why does adding more loops in parallel decrease overall resistance?

  It increases options for current flow
• How does the presence of high resistance loops affect current distribution?

  Lower resistance loops take more current
• What are the key characteristics of parallel circuits?

  • More than one loop
  • Each loop has a single component
  • Full source potential difference across components
  • Current is shared among loops
  • Total resistance decreases with more components
• How does the analogy of water flow help explain current in parallel circuits?

  It illustrates current taking paths of least resistance
• What is the effect of adding a high resistance loop in a parallel circuit?

  It still decreases overall resistance
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