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Electrical components | Year 6 Science PDF Download

The battery

  • A circuit always begins with a battery, from which electricity flows from the positive pole to the negative pole.
  • The battery drives this flow of electricity through the wires to the other components in the circuit, completing the electrical circuit.

Electrical components | Year 6 Science

Components in Action

Switches

  • A switch in a circuit acts as a controller, capable of breaking the circuit to stop the flow of electricity. It can be strategically placed to control the current in different parts of the circuit.
  • Imagine a scenario where you have a fan connected to a switch. When you turn the switch off, the fan stops working due to the circuit being broken.

Bulbs and Buzzers

  • Light bulbs illuminate and buzzers emit a sound when electricity flows through them. They demonstrate how electrical energy can be converted into light and sound.
  • For example, in a doorbell circuit, when someone presses the button, the buzzer rings due to the flow of electricity.

Voltage

  • Voltage, measured in volts (V), acts as the driving force that propels electricity through a circuit. Higher voltage levels mean more energy is being supplied to the components.
  • Consider a circuit with multiple light bulbs. Increasing the voltage will result in brighter bulbs due to the increased energy supplied.

Question for Electrical components
Try yourself:
Which component in a circuit acts as a controller to stop the flow of electricity?
View Solution

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FAQs on Electrical components - Year 6 Science

1. What is the purpose of a battery in an electrical circuit?
Ans. A battery in an electrical circuit serves as a power source, providing the necessary electrical energy to power the components within the circuit.
2. How does a battery produce electricity?
Ans. A battery produces electricity through a chemical reaction within its cells, where electrons are transferred between the positive and negative terminals, creating a flow of electrical current.
3. What are the different types of batteries commonly used in electronic devices?
Ans. Common types of batteries used in electronic devices include alkaline batteries, lithium-ion batteries, nickel-metal hydride batteries, and lead-acid batteries.
4. How can you determine the voltage and capacity of a battery?
Ans. The voltage of a battery is typically labeled on the battery itself, while the capacity is measured in ampere-hours (Ah) or milliampere-hours (mAh) and can be found in the battery's specifications.
5. How should batteries be properly disposed of and recycled?
Ans. Batteries should be disposed of properly at designated recycling centers to prevent environmental pollution. Many electronics stores and recycling facilities accept used batteries for recycling.
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