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UEENEEE003B<br />Solve Problems in Single Path DC Circuits<br />Resistors<br />
In general terms, resistors oppose current flow and as such we have a drop in voltage across the resistor.<br />Resistors ...
It is important to remember that resistors must be able to dissipate the heat which is caused.<br />Heat is a loss which i...
Commercial resistors are given a value of resistance which is known as a preferred value.<br />These values have a value a...
Revision02<br />5<br />Resistor colour code<br />
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E003B resistors

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E003B resistors

  1. 1. UEENEEE003B<br />Solve Problems in Single Path DC Circuits<br />Resistors<br />
  2. 2. In general terms, resistors oppose current flow and as such we have a drop in voltage across the resistor.<br />Resistors get warm due to the opposition to current flow.<br />This can be likened to friction.<br />Revision02<br />2<br />Types of resistors<br />
  3. 3. It is important to remember that resistors must be able to dissipate the heat which is caused.<br />Heat is a loss which is an inefficiency.<br />All resistors have a set POWER rating so we know how hot they can get before they are damaged.<br />Some large industrial resistors need a fan to aid in cooling.<br />Revision02<br />3<br />Resistors cont.<br />
  4. 4. Commercial resistors are given a value of resistance which is known as a preferred value.<br />These values have a value and a tolerance.<br />Revision02<br />4<br />Resistor colour code.<br />
  5. 5. Revision02<br />5<br />Resistor colour code<br />

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