Class practical: adding a shunt in parallel with a galvanometer converts it to an ammeter with a higher range. This is a trial...

Practical Activity 14-16

Class experiment: circuit diagrams allow students to make simple records. They also allow teachers to give students summaries...

Practical Activity 14-16

Class experiment: many interesting circuits can be set up with switches in series and in parallel with components.

Practical Activity 14-16

Class experiment: the fact that current is the same all round a series circuit may have been discovered when using ammeters...

Practical Activity 14-16

Class practical: an extra wire can shed light on the problem.

Practical Activity 14-16

Demonstration: an introduction to what voltmeters measure and how they are connected in circuits.

Practical Activity 14-16

It is often up to a teacher and a particular class to decide what equipment to use to introduce electric circuits.

Teaching Guidance 14-16

At some point during the early teaching of electric circuits, students will want to know what an electric current is. Indeed...

Teaching Guidance 14-16

Teaching Guidance 14-16

Questions to review current thinking, to provoke thought and discussion.

Diagnostic Questions 11-14 14-16

These diagnostic questions are used for two main reasons: to encourage students to talk and think through their understandings...

Diagnostic Questions 14-16

These diagnostic questions are used for two main reasons: to encourage students to talk and think through their understandings...

Diagnostic Questions 14-16