Series and parallel circuits

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Physics

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15 Terms

1
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Series circuit
A circuit where electrical components are connected one after another in a single loop (a circuit that only has one path for the current to flow through)
A circuit where electrical components are connected one after another in a single loop (a circuit that only has one path for the current to flow through)
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What happens when one component breaks in a series circuit?
The current will not be able to flow round the circuit; if one component breaks, then all of the other components stop working
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Rule for current in series
The same current passes through each component connected in series
The same current passes through each component connected in series
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Rule for potential difference in series
The total potential difference of the power supply is shared between components connected in series
The total potential difference of the power supply is shared between components connected in series
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Rule for resistance in series
The total resistance of two components connected in series is the sum of the resistance of each component
The total resistance of two components connected in series is the sum of the resistance of each component
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Parallel circuit
A circuit where electrical components are connected alongside each other on multiple loops; a circuit that has multiple paths for the current to flow through
A circuit where electrical components are connected alongside each other on multiple loops; a circuit that has multiple paths for the current to flow through
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What happens if one component breaks in a parallel circuit?
The current can still flow round the circuit through one of the other paths; if one component breaks, the other components still work
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Rule for current in parallel
The total current through the whole circuit is the sum of the currents through the separate components
The total current through the whole circuit is the sum of the currents through the separate components
9
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Rule for potential difference in parallel
The potential difference across each component is the same
The potential difference across each component is the same
10
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Rule for resistance in parallel
The total resistance of two resistors is less than the resistance of the smallest individual resistor
The total resistance of two resistors is less than the resistance of the smallest individual resistor
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I(1) \= I(2) \= I(3)
The mathematical relationship for the current through components connected in series
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V(total) \= V(1) + V(2)
The mathematical relationship for the total potential difference in a circuit when components are connected in series
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R(total) \= R(1) + R(2)
The mathematical relationship for the total resistance in a circuit when components are connected in series
14
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I(total) \= I(1) + I(2)
The mathematical relationship for the total current in a circuit when components are connected in parallel
15
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V(1) \= V(2) \= V(3
The mathematical relationship for the potential difference across components connected in parallel