I=VR\displaystyle I = \frac{V}{R}I=RV
Work out the value of I I\,I when V=100V = 100V=100 and R=4R = 4R=4
Practise Edexcel GCSE Maths Substitution with exam-style questions for Foundation and Higher tier. 100 questions, matched to the Edexcel GCSE Maths (1MA1) specification and written in Paper 1, Paper 2 and Paper 3 style. Every question includes a full worked solution and mark scheme, so you can see where marks are awarded rather than just whether you got the answer right.