1. Discuss why concepts such as Energy efficiency and time of use hydro pricing are important to understand. (3) 2. Calculate the power rating for a coffee maker connected to a 120V circuit and drawing 4.0 Amps of current. (2) 3. How much would it cost to run a 12W, LED light bulb for 24 hours if the energy rate is 11.2c/kW h? Hint: remember to convert the watts to kilowatts ( 3 marks) 4. Give the resistance and tolerance of the following 4 colour band resistors. (1) a. Yellow, violet, red, silver 5. Give the colour code of the following 4 colour band resistors. (1) a. 100 with 5% tolerance