A home owner on a large property creates a backyard entertainment area. The entertainment area has a low-voltage lighting system. To operate correctly, the lighting system requires a voltage of 12 V. The lighting system has a resistance of 12
- Calculate the power drawn by the lighting system. (1 mark)
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To operate the lighting system, the home owner installs an ideal transformer at the house to reduce the voltage from 240 V to 12 V. The home owner then runs a 200 m long heavy-duty outdoor extension lead, which has a total resistance of 3
- The lights are a little dimmer than expected in the entertainment area.
- Give one possible reason for this and support your answer with calculations. (4 marks)
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- Using the same equipment, what changes could the home owner make to improve the brightness of the lights? Explain your answer. (2 marks)
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