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Circuit
Symbols…read more

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EMF & PD
Voltage/pd is the energy transfer per unit
charge.
Volt = the p.d across a component when 1 joule
moves 1 coulomb through the component.
W = VQ
electrical energy (J) = voltage (V) x charge (C)
EMF
other forms to electrical energy
PD
electrical energy to other forms…read more

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Resistance
opposition of a circuit to the
flow of an electric current
V = IR
voltage (V) = current (A) x
resistance ()…read more

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Ohms
Ohm Ohm's Law
the resistance the pd across a
component is
of a component directly
if the pd of 1V proportional to the
makes a current through it,
current of 1A providing the
temperature is
flow through constant…read more

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I-V Characteristics…read more

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