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Electricity, Lighting and Safety · CSEC Integrated Science

44 past-paper questions on Electricity, Lighting and Safety, part of Section B: The Home and Workplace, from every CSEC Integrated Science paper on Quelpr.

Practise Electricity, Lighting and Safety
  1. 3(a)2 marks· CSEC Integrated Science · 2005 · Paper 2Read each meter display and calculate the total amount of electricity consumed during December 2002 in kWh.
  2. 3(b)2 marks· CSEC Integrated Science · 2005 · Paper 2Calculate the total cost of electricity used in December, given a fixed fuel charge of $20.00 and an energy rate of 25 cents per kWh.
  3. 3(c)(i)2 marks· CSEC Integrated Science · 2005 · Paper 2Calculate the total daily energy consumption in kWh per day for all the appliances listed in Table 1.
  4. 3(c)(ii)2 marks· CSEC Integrated Science · 2005 · Paper 2State two measures the household can implement to reduce their electricity usage.
  5. 3(d)(i)1 mark· CSEC Integrated Science · 2005 · Paper 2Define what a fuse is.
  6. 3(d)(ii)2 marks· CSEC Integrated Science · 2005 · Paper 2Explain how a fuse provides protection for an electrical appliance such as a hairdryer.
  7. 3(d)(iii)2 marks· CSEC Integrated Science · 2005 · Paper 2Explain why water must not be used to extinguish an electrical fire.
  8. 3(d)(iv)2 marks· CSEC Integrated Science · 2005 · Paper 2State two safe methods used to extinguish an electrical fire.
  9. 5(a)(i)1 mark· CSEC Integrated Science · May/June 2010 · Paper 2What is the function of an electricity meter?
  10. 5(a)(ii)1 mark· CSEC Integrated Science · May/June 2010 · Paper 2What is the reading on the meter shown in Figure 7?
  11. 5(a)(iii)1 mark· CSEC Integrated Science · May/June 2010 · Paper 2The reading of the meter on 01 June 2008 was 22 943 kWh. Calculate the amount of electricity used during the month of June.
  12. 5(a)(iv)2 marks· CSEC Integrated Science · May/June 2010 · Paper 2Calculate the cost of electricity for the month of June if the cost is 70 cents for every kWh of energy used.
  13. 5(b)(i)2 marks· CSEC Integrated Science · May/June 2010 · Paper 2Complete Table 2 to show the missing values at (a) and (b).
  14. 5(b)(ii)3 marks· CSEC Integrated Science · May/June 2010 · Paper 2State THREE measures which the family can implement to reduce energy consumption.
  15. 5(b)(iii)2 marks· CSEC Integrated Science · May/June 2010 · Paper 2Explain which is more cost effective: using the fan for twelve hours instead of six hours OR using the toaster oven for two hours.
  16. 5(c)1 mark· CSEC Integrated Science · May/June 2010 · Paper 2Distinguish between a 'switch' and a 'fuse'.
  17. 4(a)(i)2 marks· CSEC Integrated Science · May/June 2011 · Paper 2Choose TWO very good electrical conductors from the provided list.
  18. 4(a)(ii)1 mark· CSEC Integrated Science · May/June 2011 · Paper 2Choose ONE very good electrical insulator from the provided list.
  19. 4(b)(i)1 mark· CSEC Integrated Science · May/June 2011 · Paper 2Calculate the total voltage of the battery consisting of four dry cells connected in series, if each cell provides 1.5 V.
  20. 4(b)(ii)1 mark· CSEC Integrated Science · May/June 2011 · Paper 2State the reading on the ammeter in Figure 5a when the switch is open.
  21. 4(b)(iii)1 mark· CSEC Integrated Science · May/June 2011 · Paper 2State how the ammeter reading changes when a conducting wire is connected across terminals X and Y with the switch closed.
  22. 4(b)(iv)1 mark· CSEC Integrated Science · May/June 2011 · Paper 2Cherise places a 2 ohm resistor between X and Y and closes the switch; the voltmeter across it reads 4 V. State the formula used to calculate current.
  23. 4(b)(v)2 marks· CSEC Integrated Science · May/June 2011 · Paper 2Calculate the current in the circuit using the values from (iv), stating the correct unit.
  24. 4(b)(vi)1 mark· CSEC Integrated Science · May/June 2011 · Paper 2Give ONE reason why it is beneficial to include a fuse in this circuit.
  25. 4(c)(i)1 mark· CSEC Integrated Science · May/June 2011 · Paper 2State ONE precaution to prevent electrical shock or fire when connecting the radio to an outlet.
  26. 4(c)(ii)1 mark· CSEC Integrated Science · May/June 2011 · Paper 2State a SECOND precaution to prevent electrical shock or fire when connecting the radio to an outlet.
  27. 4(d)1 mark· CSEC Integrated Science · May/June 2011 · Paper 2Identify the most appropriate type of fire extinguisher for extinguishing an electrical fire.
  28. 4(e)(i)1 mark· CSEC Integrated Science · May/June 2011 · Paper 2Name ONE item of protective clothing/gear worn by fire fighters.
  29. 4(e)(ii)1 mark· CSEC Integrated Science · May/June 2011 · Paper 2Name a SECOND item of protective clothing/gear worn by fire fighters.
  30. 5(d)4 marks· CSEC Integrated Science · May/June 2012 · Paper 2State TWO possible causes of electrical shocks and identify appropriate methods to prevent them.
  31. 4(a)(ii)2 marks· CSEC Integrated Science · May/June 2013 · Paper 2Give ONE example of a conductor and ONE example of an insulator.
  32. 6(c)(i)4 marks· CSEC Integrated Science · May/June 2013 · Paper 2Calculate the current in the extension cord when the 60 W bulb is turned on at 120 V.
  33. 6(c)(ii)2 marks· CSEC Integrated Science · May/June 2013 · Paper 2A washing machine rated at 360 W, 120 V, and 3 A is plugged into the same extension cord. Explain the safety of this action by identifying TWO possible hazards from electrical circuits.
  34. 6(c)(iii)3 marks· CSEC Integrated Science · May/June 2013 · Paper 2When a blow dryer and clothes iron are plugged into the same socket causing an overload, identify the device in the house that prevents wiring from burning and describe how it works.
  35. 1(c)(iv)1 mark· CSEC Integrated Science · May/June 2014 · Paper 2Name ONE suitable material for making uninsulated electrical lines used to transmit high voltage electricity efficiently over long distances.
  36. 1(c)(v)1 mark· CSEC Integrated Science · May/June 2014 · Paper 2Identify ONE hazard that can result from these electrical transmission lines.
  37. 4(a)2 marks· CSEC Integrated Science · May/June 2014 · Paper 2Distinguish between a conductor and an insulator.
  38. 4(b)2 marks· CSEC Integrated Science · May/June 2014 · Paper 2State ONE example of a conductor used in the kitchen and ONE example of an insulator used in the kitchen.
  39. 4(c)3 marks· CSEC Integrated Science · May/June 2014 · Paper 2Complete Table 4 by providing the correct colour of wire to be connected to the Live (L), Earth (E), and Neutral (N) contacts.
  40. 4(d)6 marks· CSEC Integrated Science · May/June 2014 · Paper 2Complete Table 5 by calculating the rating in kW and kWh consumed per day for each appliance, total energy consumed per day, total energy for 7 days, and total weekly cost.
  41. 4(e)2 marks· CSEC Integrated Science · May/June 2014 · Paper 2State TWO ways energy can be conserved in the home.
  42. 6(a)2 marks· CSEC Integrated Science · May/June 2016 · Paper 2State the function of an electrical fuse and give ONE reason why aluminium foil should never be used as a replacement.
  43. 6(b)4 marks· CSEC Integrated Science · May/June 2016 · Paper 2Calculate the electrical power of the tire pump, stating the correct unit.
  44. 6(c)2 marks· CSEC Integrated Science · May/June 2016 · Paper 2Name TWO materials suitable for making electrical conducting wires.

Related topics in Section B: The Home and Workplace