PARALLEL CIRCUITS

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PARALLEL CIRCUITS

• CHAPTER 7

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PARALLEL CIRCUITSDEFINITION

• A CIRCUIT THAT HAS MORE THAN ONE PATH FOR CURRENT
  FLOW

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PARALLEL CIRCUIT RULES

• TOTAL CURRENT IS SUM OF THE CURRENTS THROUGH ALL
  THE BRANCHES
• VOLTAGE ACROSS ANY BRANCH EQUALS APPLIED VOLTAGE
• TOTAL RESISTANCE IS THE RECIPROCAL OF THE SUM OF
  RECIPROCALS OF EACH BRANCH AND IS ALWAYS LESS
  THAN SMALLEST BRANCH

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VOLTAGE TO EACH BRANCH IS APPLIED VOLTAGE TOTAL
RESISTANCE IS LESS THAN SMALLLEST BRANCH
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REVIEW

• GIVE DEFINITION OF A PARALLEL CIRCUIT.
• STATE THE THREE RULES FOR PARALLEL CIRCUITS.
• WHY ARE HOMES CONNECTED IN PARALLEL?

• WHAT CIRCUITS ARE CONNECTED IN PARALLEL ON CARS?
• WHY ARE PARALLEL CIRCUITS CALLED CURRENT
  DIVIDERS?
• HOW IS POWER DISSIPATED IN A PARALLEL?