
- 1
Mark or Test
Her Physics homework is graded step by step.
Teacher reviews the marks - 2
Review Results
Her teacher sees she lost marks on the sign convention in Faraday and Lenz's Law.
Step 3 · Lenz's law sign2.5 of 3.0 marks
Needs help with: sign convention
- 3
Practise
Five focused questions on signs, approved by her teacher before Priya sees them.
- DirectionQ1
- Signed emfQ2
- Derivative signsQ3
- Combine the two signsQ4
- Apply a new phaseQ5
- 4
Re-test
A fresh question checks whether she can apply the signs to a new problem.
Fresh check · F01A new problem on the direction of induced emf
Not one of the original five questions










