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BTEC Unit 15 - Electrical Circuits and their Application Notes -for lectures and revision £11.48
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BTEC Unit 15 - Electrical Circuits and their Application Notes -for lectures and revision

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Embark on a comprehensive exploration of the fascinating world of electrical circuits with our meticulously crafted Unit 15 notes. This resource serves as a dynamic guide, unravelling the intricacies of electrical circuits and their diverse applications. The journey begins with a solid foundatio...

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  • January 20, 2024
  • 3
  • 2023/2024
  • Lecture notes
  • James heller
  • All classes

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● Describes the relationship between voltage (V), current (I), and
resistance (R): V = I * R.

Topic 1: Basics of Electrical Circuits

1. Definition of an Electrical Circuit:

• An electrical circuit is a closed loop through which an electric current
can flow.

2. Components of a Circuit:

• Voltage Source: Provides the electrical energy (e.g., batteries, power
supplies).
• Conductors: Materials that allow the flow of electric current (e.g.,
copper wires).
* Load/Resistor: Consumes electrical energy, converting it to other forms
(e.g. light bulbs, motors).
• Switches: Control the flow of current by opening or closing the circuit.

3. Ohm's Law

• Describes the relationship between voltage (V), current (0, and
resistance (R): V = I* R.


Topic 2: Series and Parallel Circuits
1. Series Circuits:

• Components are connected in a single path.
• The same current flows through each component.
• Total resistance (R_total) is the sum of individual resistances.

2. Parallel Circuits:

• Components are connected in multiple paths.
• Voltage across each component is the same.
• The reciprocal of total resistance (1/_tojal) is the sum of reciprocals of
individual resistances

2. Parallel Circuits:
• Components are connected in multiple paths.

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