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What is a parallel circuit? Lernen beginnen
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A circuit with more than one branch/path for current to flow through
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What happens to the current in a parallel circuit? Lernen beginnen
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The current splits between the branches
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What rule applies at a junction? Lernen beginnen
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Total current = total current leaving.
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What is the equation for current in parallel circuits? Lernen beginnen
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What happens to voltage in a parallel circuit? Lernen beginnen
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Voltage is the same across every branch
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What is the voltage rule for parallel circuit Lernen beginnen
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If a battery is 6v, how much voltage does each branch receive in parallel? Lernen beginnen
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What happens when one bulb breaks in a parallel circuit? Lernen beginnen
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Why do bulbs stay bright in parallel? Lernen beginnen
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Each bulb receives the full battery voltage.
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What happens to the total resistance when more branches are added? Lernen beginnen
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Total resistance decreases.
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Why does resistance decrease in parallel circuits? Lernen beginnen
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Because there are more paths for charge to flow
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What happens to the total current when resistance decreases? Lernen beginnen
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Which equation links voltage, current, resistance? Lernen beginnen
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Why are household circuits connected in parallel? Lernen beginnen
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So appliances work independently and each gets full voltage.
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What happens to current in a branch with higher resistance? Lernen beginnen
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Less current flows through it.
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What device measures current? Lernen beginnen
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How is an ammeter connected? Lernen beginnen
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What device measures voltage? Lernen beginnen
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How is a voltmeter connected? Lernen beginnen
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In parallel across a component.
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What are the advantages of parallel circuits? Lernen beginnen
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Components work independently / full voltage across each branch / one broken component doesn’t stop the others
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What are the disadvantages of parallel circuits? Lernen beginnen
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More wiring needed / More complicated / battery drains fast
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In series or parallel circuits is current the same everywhere? Lernen beginnen
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In series or parallel circuits is voltage the same across components? Lernen beginnen
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What is a common exam mistake with parallel circuits? Lernen beginnen
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Saying voltage splits between branches
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