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Electrical Systems (CIRCUIT (PARALLEL (Electrical components that form…
Electrical Systems
CIRCUIT
PARALLEL
Electrical components that form more than one loop, providing several paths for the current to flow
Advantage: The number of light bulbs in the circuit does not affect the brightness. WHY? The voltage remains the same throughout the circuit.
Disadvantage: Adding more batteries does not increase the brightness of the lightbulbs. How to solve this? Change the circuit to a series circuit & increase the number of batteries.
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SERIES
Electrical components that form a single loop, providing only one path for the current to flow
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Disadvantage: If one light bulb fuse (no longer work), all light bulbs in a current will not light up as the circuit has broken.
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CURRENT (A)
What is it? Flow of negatively charged particles. In a series circuit: current remains the same at all points. In a parallel circuit, current splits up at each branch
VOLTAGE (V)
What is it? How hard the battery pushes the current. In a series circuit, voltage divide equally among the number of bulbs. In a parallel circuit, voltage remains the same at all points.
RESISTANCE (R)
What is it? Anything that opposes the current flow. Formula: Resistance = Voltage divide by current (R=V/A)
CONDUCTORS & INSULATORS
Conductors: Allow electricity to pass through. Examples: Metals (e.g. copper, iron, nickel.) Usually, electric conductors are also good heat conductors
Insulators: Do not allow electricity to pass through. Examples: Non-Metals (e.g. plastic, clay, wood)
