Electrical Circuit
Electricity and Magnetism

Adding resistance

Teaching Guidance for 14-16 Supporting Physics Teaching

Adding resistance – in two ways

As resistance is added, the total effective resistance may increase or decrease – it all depends on the number of loops.

Think about how to emphasise the difference between these two before you go on.

IOP AWARDS 2025

Teachers of Physics Awards

The Teachers of Physics Award celebrates the success of secondary school physics teachers who have raised the profile of physics and science in schools. Nominations for 2025 are now open.

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