1.2 The purpose of the plastic or rubber coating around electrical cables is (1)

  VRAAG 7   7. Kilowatt is die eenhede wat gebruik word om die elektrisiteitsverbruik in huishoudings te meet. As jy ‘n 3,0 kW -oond vir 2 uur en ‘n 0,12 kW -TV vir 2 uur sou aanskakel, wat sou duurder wees om aan te hê en hoekom? (1)

  QUESTION 1: MULTIPLE CHOICE     Read the following statements and then choose the correct answers from the options provided below (Questions 1.1-1.3). [3]

  QUESTION 8   8. A country’s infrastructure refers to all the equipment and facilities needed to provide a service or that serves a function to the public (like electricity production and electricity supply). Make a list of at least 3 things (part of a country’s infrastructure) that contribute to the cost of electricity. (3)

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  VRAAG 7   7. Kilowatt is die eenhede wat gebruik word om die elektrisiteitsverbruik in huishoudings te meet. As jy ‘n 3,0 kW -oond vir 2 uur en ‘n 0,12 kW -TV vir 2 uur sou aanskakel, wat sou duurder wees om aan te hê en hoekom? (1)

  QUESTION 3   3. In your own words, describe the energy conversion (transformation) that takes place inside a digital battery-operated alarm clock (like the one in the picture below). Remember to include all input and output energies in your answer.    To view the picture, click on the blue button. The picture will open in a new tab next to your test. (4)

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  QUESTION 2: FILL IN THE BLANKS     Read the instruction at each question and then type the correct answers in the spaces provided.       2.1 A substance or material that contains stored energy: [Ans1] (1)       2.2 Identify the circuit components represented by the symbols labelled A-C in the picture below by typing the correct name for each component in the spaces provided.    To view the picture, click on the blue button. The picture will open in a new tab next to your test.     Component A  Component B  Component C  [Ans2] [Ans3] [Ans4]  (3)

  VRAAG 7   7. Kilowatt is die eenhede wat gebruik word om die elektrisiteitsverbruik in huishoudings te meet. As jy ‘n 3,0 kW -oond vir 2 uur en ‘n 0,12 kW -TV vir 2 uur sou aanskakel, wat sou duurder wees om aan te hê en hoekom? (1)