ElectricityDiagram

The V-I-R Triangle

Part of Resistance & Ohm's Law · GCSE GCSE Physics revision

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.

Topic position

Section 3 of 16

Practice

16 questions

Recall

30 flashcards

📊 The V-I-R Triangle

VIR triangle showing V=IR, I=V/R, and R=V/I — cover what you want to find and the formula is revealed

Figure 1: The VIR triangle — cover the quantity you want to find and read off the calculation.

Keep building this topic

Read this section alongside the surrounding pages in Resistance & Ohm's Law. That gives you the full topic sequence instead of a single isolated revision point.

Understanding Resistance and Ohm's Law What Affects the Resistance of a Wire?The Narrow Pipe Problem Ohmic vs Non-Ohmic Conductors

Practice Questions for Resistance & Ohm's Law

Which of the following best describes electrical resistance?

A. The amount of charge flowing past a point per second
B. The opposition to the flow of current in a circuit
C. The energy transferred per unit charge by the source
D. The rate at which electrical energy is transferred

1 markfoundation

Explain what is meant by an ohmic conductor.

2 marksstandard

Quick Recall Flashcards

Ohm's Law equation?

V = IR where V = voltage (V), I = current (A), R = resistance (Ω)

Unit of resistance?

Ohm (Ω)

16 questions on Resistance & Ohm's Law — practise free

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Understanding Resistance and Ohm's Law

What Affects the Resistance of a Wire?