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GCSE     >Resistors<     BS1852     Colour Codes     E24     LDR     Parallel     PIVR Calculations     Potentiometer     Puzzles     Series     Thermistor     Timing     Types     Voltage Divider    

Resistors


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  GCSE    Resistors  0 of 27    Question 1371    BS1852 Resistors 
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Deadline not set1 of 27    Question 1372    BS1852 Resistors 
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Deadline not set2 of 27    Question 1373    BS1852 Resistors 
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Deadline not set3 of 27    Question 1366    Colour Codes 
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Deadline not set4 of 27    Question 1367    Colour Codes 
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Deadline not set5 of 27    Question 1368    Colour Codes 
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Deadline not set6 of 27    Question 269    Components 
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Deadline not set7 of 27    Question 275    Components 
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Deadline not set8 of 27    Question 1445    Components 
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Deadline not set9 of 27    Question 1500    Components 
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Deadline not set10 of 27    Question 242    Components 
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Deadline not set11 of 27    Question 243    Components 
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Deadline not set12 of 27    Question 244    Components 
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Deadline not set13 of 27    Question 1375    E24 
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Deadline not set14 of 27    Question 1376    E24 
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Deadline not set15 of 27    Question 1424    Identify the Component 
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Deadline not set16 of 27    Question 1425    Identify the Component 
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Deadline not set17 of 27    Question 1426    Identify the Component 
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Deadline not set18 of 27    Question 438    Ohm's Law and Current Calculations 
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Deadline not set19 of 27    Question 160    Ohms Law 
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Deadline not set20 of 27    Question 162    Ohms Law 
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Deadline not set21 of 27    Question 561    Resistors 
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Deadline not set22 of 27    Question 2    Resistors in Parallel 
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Deadline not set23 of 27    Question 178    Resistors in Series 
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Deadline not set24 of 27    Question 523    Thermistors 
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Deadline not set25 of 27    Question 524    Thermistors 
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Deadline not set26 of 27    Question 525    Thermistors 
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Deadline not set27 of 27    Question 526    Thermistors 
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Nick Reeder's Resistor Challenge

Circuit Symbols

Circuit Diagram Symbols for Resistors

A Simple Circuit

In this simple circuit, the resistor limits the current to a small steady safe level. The switch also has resistance; either zero (on) or infinity (off).

A circuit with one resistor and a switch

What Resistors Do

Pull up and pull down resistors and switches

Resistor Structure

Resistor Structure

A Short Circuit

Without a current limiting resistor, the current is very large and possibly dangerous. There is a fire risk. This is called a short circuit.

A short circuit, large current, fire risk

Don't Try This at Home

 

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