A. Directions: Read and understand the sentences. Encircle the letter of the co answer. 1. Which of these is a source of electrical energy? switch b. Battery c. light bulb 2. Which of these controls the flow of electric current? battery b. switch light bulb 3. When the switch is "ON the electric circuit is. open b. closed C. broken 4. Which of the circuits will current flow? a. open circuit b. short circuit c. closed circuit 5. Which of the following measures can prevent fine caused by electricity? a. Touch a switch with dry hands. b. Avoid walking under low dangling wires. c. Have a regular inspection of electrical cords​