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Electrical Module 9 Review and Supplement Questions and Answers | Latest Version | 2024/2025 | 100% Pass £7.99
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Electrical Module 9 Review and Supplement Questions and Answers | Latest Version | 2024/2025 | 100% Pass
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Electrical Module 9 Review and Supplement Questions and Answers | Latest Version | 2024/2025 | 100% Pass What is the primary role of a fuse in an electrical system? To protect the circuit from damage by breaking the connection when the current exceeds a safe limit, preventing potential fires...

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  • January 4, 2025
  • 11
  • 2024/2025
  • Exam (elaborations)
  • Questions & answers

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  • electrical module 9 review and supplement question

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  • Electrical Module 9
  • Electrical Module 9

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Electrical Module 9 Review and
Supplement Questions and Answers |
Latest Version | 2024/2025 | 100% Pass
What is the primary role of a fuse in an electrical system?


✔✔To protect the circuit from damage by breaking the connection when the current exceeds a

safe limit, preventing potential fires or equipment damage.




How does an electrical circuit work like a water system?


✔✔Just like water flowing through pipes, electricity flows through conductors, with voltage as

the pressure, current as the flow, and resistance as the friction that slows it down.




What happens if a wire’s insulation is damaged?


✔✔Damaged insulation can expose the conductor, potentially causing short circuits, electric

shocks, or even fires if the wire comes into contact with other surfaces.




Why is it important to understand the difference between direct and alternating current in

electrical systems?




1

, ✔✔Direct current (DC) flows in one direction, perfect for batteries and electronics, while

alternating current (AC) changes direction, allowing for efficient power transmission over long

distances.




What does the term "load" refer to in an electrical circuit?


✔✔A load is any device or component, like a light bulb or motor, that consumes electrical

energy to perform work in the circuit.




How does a dimmer switch control the brightness of a light?


✔✔A dimmer switch works by adjusting the amount of current flowing to the light, effectively

controlling the intensity of the light output.




What would happen if you added too many devices to a circuit?


✔✔Adding too many devices to a circuit could overload the circuit, causing the wires to

overheat, which may trip the breaker or cause fires.




Why does electrical current flow more easily through some materials than others?




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