This diagram covers The V-I-R Triangle within Resistance & Ohm's Law for GCSE Physics. Revise Resistance & Ohm's Law in Electricity for GCSE Physics with 16 exam-style questions and 30 flashcards. This topic shows up very often in GCSE exams, so students should be able to explain it clearly, not just recognise the term. It is section 3 of 16 in this topic. Focus on the labels, the relationships between parts, and the explanation that turns the diagram into an exam-ready answer.
📊 The V-I-R Triangle
Figure 1: The VIR triangle — cover the quantity you want to find and read off the calculation.
Practice questions for Resistance & Ohm's Law
Which of the following best describes electrical resistance?
Explain what is meant by an ohmic conductor.
Quick recall flashcards
Ohm's Law equation?
V = IR where V = voltage (V), I = current (A), R = resistance (Ω)
Unit of resistance?
Ohm (Ω)