Answer Happy

QUESTION 11 Earth's magnetic field is a result of O Earth's atmosphere O Earth's oceans O Earth's inner molten core O Earth's moon QUESTION 12 A device that converts electrical energy to mechanical energy is an O electrical engine electrical circuit electrical generator electrical motor QUESTION 13 A device that converts mechanical energy to electrical energy is an electrical motor O electrical current electrical generator electrical motor

QUESTION 14 According the 1st Law of Thermodynamics, a coal burning power plant converts chemical energy in coal to electrical energy creates from the chemical energy in coal electrical energy creates electricity from coal O creates electricity by burning coal QUESTION 15 The cathode and anode metal parts inside a cell or battery are O electrolytes O AC currents resistors electrodes QUESTION 16 A current of 6 A runs through a coffee machine connected to a 120 V circuit. What is the resistance of the coffee machine?

QUESTION 17 What is the unit for the answer in Question 14. QUESTION 18 A battery has an electric potential of 1.5V and transfers 10.0 C between the two terminals. How much work was done? QUESTION 19 A 100 watt light bulb was left on for 8 hours on a 120V circuit FPL charges $0.07 per kWh. What was the cost of leaving the light bub? Round off to the nearest cent QUESTION 20 and after it loses the 2 electrons its not charge is An atom has 20 protons and commonly will lose 2 electrons, the name of this atom is