Resistance & Ohm's Law
Revise Resistance & Ohm's Law in Electricity for GCSE Physics with 14 exam-style questions and 30 flashcards. This is a high-frequency exam topic, so students should expect to explain it clearly under timed conditions.
Study this topic
The Narrow Pipe Problem
Understanding Resistance and Ohm's Law
The V-I-R Triangle
What Affects the Resistance of a Wire?
Ohmic vs Non-Ohmic Conductors
How It Works: Why Resistance Increases with Temperature (Metals)
Required Practical: Resistance of a Wire
Key Definitions
Key Facts Summary
Ohmic vs Non-Ohmic: V-I Graphs
Common Misconceptions
Memory Aid
Higher Tier Only: Resistivity
Exam Focus
Exam Tips for Resistance and Ohm's Law
Topic Summary: Resistance and Ohm's Law
Sample Flashcards
Sample Questions
Which of the following best describes electrical resistance?
Explain what is meant by an ohmic conductor.
14
exam-style questions
30
revision flashcards
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