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Ohm's law states that V=IR ; where V is p.d., I is current and R is resistance.
Firstly the two resistors are in series so the total resistance is just the sum of the two resistanc...
To find the mean mark the formula is mean = ∑marks /number of students Therefore the mean for maths is 90 and so ∑marks = meannumber of students = 905 = 450 and the ∑marks for th...
Generally, context can be split up into different types such as biographical (anything about the author or poet's life which links to the text), historical (events at the...
The most important thing is to remember about 'the 5 W's':
Who wrote the source or produced it? (Origin)
When? (Origin)
Where? (Origin)
Hairdresser A as they charge £44 wheras Hairdresser B charges £56
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