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Science revision - Coggle Diagram
Science revision
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Physics
P4 (Electricity)
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Fixed resistor - resists the same amount in the circuit, the resistance cannot be changed or altered
Variable resistor - Can change the amount of resistance in a circuit, it is not a fixed amount.
Fuse - A fuse will melt if there is too much electricity flowing through a circuit. It will cut off the current and stop electric leakage.
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Q (charge) = I (current) x t (time)
Charge is measured coulombs
Current is measured in amps
Time is measured in seconds
PD (Potential difference) = E (Energy) / Q (charge)
Potential difference measured in volts
Energy measured in joules
Charge measured in coulombs
R (resistance) = V (voltage) / I (current)
Resistance is measured in ohms (Ω)
Current measured in amps
Voltage measured in volts
The more components, the more resistance in a circuit
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