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In Course: GCSE Physics (AQA): Paper 1

AQA GCSE Physics: Required Practical - I-V Characteristics

Covers the method for Required Practical 4: investigating the current-voltage (I-V) characteristics of a resistor, a filament lamp, and a diode. Includes the circuit diagram, method, and interpretation of the resulting graphs.
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Deck Contents

27 Cards
Lesson#1
In this deck, you'll learn about a key required practical in GCSE Physics: investigating the I-V characteristics of different electrical components. I-V stands for current-voltage. We'll explore the method used to find out how the current flowing through a component changes as the potential difference across it is varied. We will focus on three components: a resistor, a filament lamp, and a diode.
Quiz#2
What is the main purpose of the I-V characteristics practical?

To investigate how current varies with potential difference

Lesson#3
To carry out this investigation, you need a specific circuit. It consists of a power supply, an ammeter, and the component you are testing, all connected in series. A voltmeter is then connected in parallel across the component being tested. To change the potential difference and current, a variable resistor is also connected in series with the main circuit.
Quiz#4
In an electrical circuit, what piece of equipment is used to measure current?

ammeter

Quiz#5
In an electrical circuit, what piece of equipment is used to measure potential difference, also known as voltage?

voltmeter

Quiz#6
How must an ammeter be connected in a circuit relative to the component it is measuring the current through?

in series

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