6. What is the SI unit of resistance? A. ampere B. ohm C. volt D. watt 7. Which of the following is the correct statement of Ohm's 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. 8. It supplies energy in an electric circuit. A. load B. switch C. voltage source D. conducting wire 9. It converts electrical energy into different forms of energy such as light, heat, or sound in an electric circuit. A. load B. switch C. voltage source D. conducting wire 10. According to Ohm's law, across a resistor with constant resistance, what happens to the current across it when the voltage applied is halved? A. halved B. doubled C. quadrupled D. remains the same 11. Consider a simple electric circuit with a voltage source of 20.0 V which has a current of 0.500 A. What is the resistance of the load? A. 20.0 ohms B. 30.0 ohms C. 40.0 ohms D. 50.0 ohms​