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An ohmic resistor is a resistor that obeys Ohm's law V = IR (voltage = current x resistance). Therefore, if the voltage in such element is increased by n number of times, by the same number n has to incre...

There were many reasons why the Nazi Party were able to rise to power in 1933. These factors interlink with one another as, without the occurrence of one another would most probably have not taken place. ...

High level languages may seem easier to use when you start programming but they do not offer the same degree of flexibility and efficiency which can be provided by using assembly or machine code. using th...

It is not just trial and error, as this will eat away time in the exam. if you can't see it straight away then you need to consider some things. for example a common question might be find the integral of...

The first equation can be multiplied by 3 to give 3x + 3y = 9. Then these two equations can be added by summing both left hand sides and both right hand sides to obtain the new equation 3x + 3y - 3x + 5y ...