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1/Rt=1/R1+1/R2
R1=3+5=8
R2=4
Rt=1/(1/8+1/4)=8/3 Ohms = 2.67 Ohms (2 D.P.)

Memory is most computers that use the Von Neuman architecture is used to store program instructions and data. When any program or process is doing something inside a computer the computer used RAM (random...

There are 2 ways I know to convert decimal to binary, the first way I learnt to use is done by removing the highest power of 2 from the decimal value we have. Lets take 154 as an example. The powers of 2 ...

Two Main Ways: Comprehension & Application
1) Comprehension
-Involves creating organised, coherent and clear notes from which you can learn far more ...

Factorise means to put into brackets and solve means to find values of x that make the equation true.We need to find two numbers that multiply to make 15 and add together to make -8. They both need to be ...