57 20 10 What I Know 6. What is the SI unit of resistance? A. ampere B. ohm a volt D. watt 6 Choose the letter of the correct answer. Write your answers on a separate sheet of paper 1. It is a difference in electric potential energy in joule/coulomb. A circuit B. current C resistance D. voltage 7. Which of the following is the correct statement of Ohms Law A. When current increases in a circuit, voltage increases and resistance increases B. When current increases in a circuit, voltage decreases and resistance increases C. When current increases in a circuit, voltage increases while resistance remains constant D. When current decreases in a circuit, voltage decreases and resistance increases 2. What is the SI unit of voltage? A. ampere B. ohm C volt D. watt 8. It supplies energy in an electric circuit. A load B switch C voltage source D. conducting wire 3. It is the number of charges passing through a wire per unit time. A current B. power Cresistance D. voltage o. It converts electrical energy into different forms of energy such as light, heater sound in an electric circuit. A load B. switch C voltage source D.conducting wire 4. What is the SI unit of current? A. ampere 3. ohm C volt D. watt 5. It is the opposition to the flow of electric changes as they travel through a conducting wire 10. According to Ohms law, across a resistor with constant resistance, what happens to the current across it when the voltage applied is halved? halved B doubled C quadrupled D. remains the same A circuit B current resistance D voltage 11. Consider a simple electrie circuit with a voltage source of 200 which has a current oro 500 What is the resistance of the load 20.0 ohms 3. 30.0 ohms C. 40.0 ohms D. 50.0 ohms
