2395065
Beschreibung
Mindmap von Ellie Harvey, aktualisiert more than 1 year ago
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Erstellt von Ellie Harvey
vor mehr als 9 Jahre
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Current, voltage and resistance
- charge and current
- electric current is
the rate of flow of
electric charge.
- no current can
flow if the circuit
is broken.
- an electric current flows when
electrons move through a conductor.
- electric current is
the rate of flow of
electric charge.
- calculating current
- current = charge / time in seconds
- current (I) is measured in A
- Charge (Q) is measured in C
- time is measured in s
- current (I) is measured in A
- current = charge / time in seconds
- resistance
- increases as - length of
wire increases, thickness
of wire decreases
- Voltage = current x resistance
- V = I x R
- Voltage is measured in V
- current is measured in A
- resistance is measured in ohms
- V = I x R
- increases as - length of
wire increases, thickness
of wire decreases
- calculating energy transferred
- energy transferred = potential difference x charge
- E = V x Q
- energy is measured in J
- potential
difference is
measured in V
- charge is measured in C
- E = V x Q
- energy transferred = potential difference x charge
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