Lenz's law definition
In order to progress, you need to understand Lenz's law.
A magnet inducing a current in a wire experiences a force which opposes any movement.
Lenz's law = OPPOSE CHANGE
Use the following picture mnemonic to help you remember what it means:
You have to wear lenses (Lenz's) but she opposed the change.
![](/images/user/base/Maths/Logarithms/Reference%20Tables/reference-log-table-1.4df6ee6.jpg)
![](/images/user/base/Maths/Logarithms/Reference%20Tables/reference-log-table-2.d516bb3.jpg)
![](/images/user/base/Maths/Logarithms/Reference%20Tables/reference-anti-log-table-1.b0b0513.jpg)
![](/images/user/base/Maths/Logarithms/Reference%20Tables/reference-anti-log-table-2.f89189d.jpg)