Podcast
Questions and Answers
In a series circuit, what does 'series' mean?
In a series circuit, what does 'series' mean?
What is a characteristic of current flow in a series circuit?
What is a characteristic of current flow in a series circuit?
How does the current flow between components in a series circuit?
How does the current flow between components in a series circuit?
What does 'parallel' mean in a parallel circuit?
What does 'parallel' mean in a parallel circuit?
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How many paths for current flow are there in a parallel circuit?
How many paths for current flow are there in a parallel circuit?
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What is the measurement unit of voltage?
What is the measurement unit of voltage?
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What is the most common voltage supplied by batteries?
What is the most common voltage supplied by batteries?
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How is a voltmeter connected in a circuit to measure voltage?
How is a voltmeter connected in a circuit to measure voltage?
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What does 'mains voltage' refer to?
What does 'mains voltage' refer to?
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What is the range of mains voltage in most countries?
What is the range of mains voltage in most countries?
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Study Notes
Series Circuit
- Components are connected end-to-end, forming a single path for current to flow.
- Current is the same throughout the circuit.
- All current flowing out of one component flows into the next component.
Parallel Circuit
- Multiple paths (branches) for current to flow.
- Current can flow through different paths.
Voltage
- Linked to electrical energy in a circuit.
- Measured in volts (V).
- Related to energy supplied to a circuit by a cell, battery, or power supply.
- Not the same as energy.
- Typical voltage supplies:
- Cells: 1.5 V.
- Batteries: 6 V, 9 V, 12 V (2 or more cells connected in series).
- Mains voltage: 220-240 V (most countries), 110-120 V (some countries).
Measuring Voltage
- Uses a voltmeter.
- Connected differently to an ammeter.
- An ammeter measures current, connecting in series with a component.
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Description
Learn the difference between series and parallel circuits. In a series circuit, all components are connected end-to-end creating a single path for the current. In a parallel circuit, there are multiple paths for the current to flow.
