CORE SECTION 5: ELECTRICITY

 

CONTENTS:

5.1 ELECTRIC CURRENT
5.2 RESISTANCE
5.3 COMPONENTS
5.4 CIRCUITS
5.5 POTENTIAL DIVIDER
5.6 ELECTROMOTIVE FORCE AND INTERNAL RESISTANCE

 

5.1  ELECTRIC CURRENT

5.2   RESISTANCE

5.3 COMPONENTS

A resistor               A filament lamp                  A diode

            applies to constant resistance ‘Ohmic conductors’.

     Note graphs may be plotted either way up!!

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5.4 CIRCUITS

     NB quick rule for 2 in parallel  R = PRODUCT / SUM

 5.5 POTENTIAL DIVIDER 

5.6 ELECTROMOTIVE FORCE AND INTERNAL RESISTANCE

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