7. For each of the devices tested, as U increased, I:
Answer and Explanation
Your Answer is
Correct Answer is A
Explanation
Look at figure 2, as the ordinate I increases, the abscissa V also increases
Passage II
Physics students studied electrical current and resistance using the electrical circuit shown in Figure 1 below.
The students determined the electrical current, I, flowing through each of 3 devices—a resistor, a lightbulb, and a diode—for various voltages,