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The generator effect is the induction of a potential difference (leading to a current) when a wire experiences a change in magnetic field) (2 marks)In a transformer, there are primary and secondary coils....

Traffic congestion: causes delays and results in the late arrival of workersTherefore, there is a loss of working hours which results in lower productivity for companies as there is less time available to...

1. 2x+y =182) x-y =6(x-y=6) multiply by +22x-2y = 121) 2x+y = 182) 2x-2y=12 -subtract equation 2 from equation 10x-y=6 -Therefore -y=6 so y= -6Put value for y into either of the equation in order to fi...

[Hints given to student: (1) Bread contains starch, and (2) saliva mixes with your food when you are chewing].ANSWER: Bread contains the carbohydrate called 'starch', a molecule consistin...

Though you are required to understand differentiating from first principles for the exam, questions such as this become quite straightforward once you know the trick.
To differentiate all you have to...