PractiseQuestion bank
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12 questions
SA-5054-MF9-0011 markL1 FoundationCalculatorResources
Which energy resource is renewable?
Salam Academy Original Practice · Proposed mark scheme
SA-5054-MF9-0021 markL1 FoundationCalculatorResources
The original source of the energy stored in fossil fuels is
Salam Academy Original Practice · Proposed mark scheme
SA-5054-MF9-0051 markL1 FoundationCalculatorResource calculations
A solar panel is 20% efficient. It receives 1000 W of sunlight. Calculate its electrical power output. Salam Academy Original Practice · Proposed mark scheme
SA-5054-MF9-0061 markL1 FoundationCalculatorResources
A main disadvantage of wind turbines is that
Salam Academy Original Practice · Proposed mark scheme
SA-5054-MF9-0081 markL1 FoundationCalculatorResources
Which statement about nuclear power stations is correct?
Salam Academy Original Practice · Proposed mark scheme
SA-5054-MF9-0091 markL1 FoundationCalculatorResource calculations
A 2.0 kW heater is used for 3.0 hours. Calculate the energy transferred, in kWh. Salam Academy Original Practice · Proposed mark scheme
SA-5054-MF9-0101 markL1 FoundationCalculatorResources
A solar cell transfers energy from
Salam Academy Original Practice · Proposed mark scheme
SA-5054-MF9-0121 markL1 FoundationCalculatorResources
The Sun releases energy by
Salam Academy Original Practice · Proposed mark scheme
SA-5054-MF9-0031 markL2 StandardCalculatorResources
Which energy resource does not get its energy from the Sun?
Salam Academy Original Practice · Proposed mark scheme
SA-5054-MF9-0042 marksL2 StandardCalculatorResource calculations
In a hydroelectric station, 1000 kg of water falls through 50 m. Calculate the gravitational potential energy released, in kJ. Take g=9.8 N/kg. Salam Academy Original Practice · Proposed mark scheme
SA-5054-MF9-0072 marksL2 StandardCalculatorResource calculations
A power station is 40% efficient and supplies 400 MW of electrical power. Calculate the power input from its fuel, in MW. Salam Academy Original Practice · Proposed mark scheme
SA-5054-MF9-0113 marksL3 ExamCalculatorResource calculations
A tidal barrage releases 2.0×109 kg of water through an average drop of 4.0 m over 6.0 hours. Calculate the average power, in MW. Take g=9.8 N/kg. Salam Academy Original Practice · Proposed mark scheme