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Work, power and elect ricity
Work (done) = force x distance

Work = energy transferred
Units
Kinetic energy = ½ x mass x speed 2 Energy- Joules (J)
Force- Newtons (N)
Gravitational potential energy = weight (or mass x g) x height Power- Watts (W)
Voltage- Volts (V)
Work/energy =…

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Current and voltage in circuits
-Current in series circuit is the same everywhere
and depends on voltage and number of components
-Voltage across battery in a series circuit is equal
to sum of voltage across components
-Current across battery in parallel circuit is equal
to sum of current across branches…

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