PARALLEL CIRCUITS CHAPTER 7. PARALLEL CIRCUITS DEFINITION n A CIRCUIT THAT HAS MORE THAN ONE PATH FOR CURRENT FLOW.

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Presentation transcript:

PARALLEL CIRCUITS CHAPTER 7

PARALLEL CIRCUITS DEFINITION n A CIRCUIT THAT HAS MORE THAN ONE PATH FOR CURRENT FLOW

PARALLEL CIRCUIT RULES n TOTAL CURRENT IS SUM OF THE CURRENTS THROUGH ALL THE BRANCHES n VOLTAGE ACROSS ANY BRANCH EQUALS APPLIED VOLTAGE n TOTAL RESISTANCE IS THE RECIPROCAL OF THE SUM OF RECIPROCALS OF EACH BRANCH “AND” IS ALWAYS LESS THAN SMALLEST BRANCH

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

REVIEW n GIVE DEFINITION OF A PARALLEL CIRCUIT. n STATE THE THREE RULES FOR PARALLEL CIRCUITS. n WHY ARE HOMES CONNECTED IN PARALLEL? n WHAT CIRCUITS ARE CONNECTED IN PARALLEL ON CARS? n WHY ARE PARALLEL CIRCUITS CALLED CURRENT DIVIDERS? n HOW IS POWER DISSIPATED IN A PARALLEL?