GCSE PhysStaticSeriesParallelCards13 Flashcards
The total current entering or leaving the battery in a parallel circuit equals the …?… …?… the currents in the branches
sum of
The voltage across each branch in a parallel circuit is …??…
the same
The total voltage across cells in series is found by …?… the separate cell voltages
adding
Equation for the total voltage across components in a series circuit
V = V₁ + V₂+ V₃ + …
The current in series circuit is …??… at each point
the same
Charging by friction happens when …?… are transferred from one object to another by rubbing.
electrons
The equation that links electric current and charge
Q = It
The voltage across each branch in a parallel circuit equals the…?
supply voltage
In charging by friction, the object that loses electrons becomes …?… charged
positively
A component which allows electric current to flow through itself only in one direction is called a …?
Diode
The unit of electrical current is the …?
Ampere (A)
The unit of electrical potential difference is the …?
Volt (V)
A good electrical conductor is a good electrical conductor because it possesses …??
free electrons
Electrical current passing through a metal heats it up because of collisions between free electrons and the …?… in the metal
ions
What like charges do to each other
repel
