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Energy & Forces - Properties & uses of energy - Electric circuits - G20
This is the Teacher's Guide for this targetThis is the Teacher's Guide for this targetTeacher's Guide


1. If the number of cells in series a circuit is increased then a bulb in the circuit will become brighter. If the number of bulbs is increased in the circuit then they will all be less bright so long as they are added in series.

Make sure the cells are added end to end as shown -

Bulbs should be added like this -

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