Comprehension and additional task exercises pages 180 and 181 from Next Page Science KS3 Complete. Accompanying PowerPoint and word searches available for** free** from the website.
This exercise covers:
• A car ‘T’ junction as an analogy for a circuit junction
• The four principles governing the operation of parallel circuits
• The principles explained step-by-step through a two and three branch circuit with the same resistance bulbs and a three branch circuit where on branch has a different resistance bulb
• How increasing the number of branches decreases total resistance illustrated through calculation
• Similar example circuits to practise calculations
• Practise identifying missing currents in branched circuits
• Practise identifying which component has the highest resistance from the current flowing through it
• Amazing WHAT? facts
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