5.9 - find B due to various wire shapes
5.11 - field on axis of solenoid
5.13 - find B for a cylindrical current-carrying wire
5.16 - find B for moving capacitor plates
5.49 - force between two current-carrying loops

Bonus questions

5.17 - Show that B is parallel to the axis for a long solenoid of arbitrary cross-sectional shape

Examples class problems

5.8 - find B in various current configurations
5.14 - find B for a moving charged slab
5.21 - magnetic monopoles