1) Voltage is also known as a) Current b) Potential difference c) Resistance d) Charge 2) PD is a) Current transferred per Voltage b) Energy transferred per electron c) Rate of electron flow 3) This is the symbol for a) Variable resistor b) LDR c) LED d) Thermistor 4) This is the symbol for a) A fixed resistor b) A variable resistor c) LDR d) Thermistor 5) As light intensity increases, the resistance of an LDR a) Decreases b) Increases c) Is unaffected 6) As temperature increases, the resistance of a thermistor a) Decreases b) Increases c) Is unaffected 7) In series a) PD is the same everywhere b) PD is shared between componets c) PD is unpredictable 8) In parallel a) PD is the same along each branch b) PD is the shared between the branches c) PD is unpredictable 9) The variable resistor allows us to a) Keep current the same b) Alter PD c) Alter temperature 10) A filament lamp is a) An ohmic conductor b) A non ohmic conductor

IGCSE Electricity

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