Questions 17-19 attached.Question 20) A 300-W lightbulb is left on for 10h. Calculate the electrical energy (in MJ) consumed by the bulb.A. 0.108 MJB. 1.08 MJC. 11000 MJD. 11 MJQuestion 21) A family uses an electric frying pan with a power rating of 1.20 X 10^3 W. Although the pan is thermostatically controlled, it's element was drawing power for 6.30 C 10^2 min in a period of one month. Calculate the electrical energy in kW/h used by the pan during the month.A. 72B. 120C. 75.6 D. 12.6

question 17 (1 point) Explain why ultra-high voltages are used to carry electricity over transmission lines. Paragraph v + ... Lato (Recom... 19px .. 7 9 Ed C Question 18 (1 point) Describe how a circuit breaker reduces the risk of an electrical fire in a household electrical circuit. Pa. B Question 19 (1 point) Explain why the total amount of current flowing through a kitchen circuit and its circuit breaker increases as additional electrical appliances are plugged in and used. Pa. B