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1 Build the following circuit LED1 LED2 LED3 LED4 LED5 2 Illumination of LEDs Are all LEDs lit with correct relative brightness levels? (2 marks for each LED) 3 S Was the power supply set up correctly? (4 marks) 4 Demonstrate the following measurements etting up the power supply 1. What is the voltage across LED 1? (2 marks) 2. What is the current through the 120 Ω resistor in series with LED 2? (2 marks) 3. What is the voltage across the 180 Ω resistor in series with LED 4? (2 marks)

Using a standard breadboard could you show an example of how this looks and questions 1-3?

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