Question

Part A Review Which point, A or B, has a larger electric potential? (Figure 1) Previous Answers Correct Part B What is the potential difterence between A and B? Assume that E- 1200V/m. Express your answer with the appropriate units. Figure 1 of 1 ar- 70 V B. 7 cm Previous Angwers Request Answer Submit Part A Review The metal spheres n (Figure 1) aro charged to ± 300 V Selact a plausible contour map of the potential, showing and labeling the-300 V, -200 V equipotential surfaces 100V +100V 200 v +20 +200 V Flgure 200V200 1 of 1 100V +100 v 300 -mo vー.oev ov +100v 200 V 4300 V 300 V Select a plausible contour map of the potential, showing and labeling the-300 V,-200 V,-100 V, equipotential surfacers Review The metal spheres n (Figure 1)are charged to ±300V 100V +100 v 200v0v 200 V +200 V -100V +100V Figure 1 of 1 -300 V 200 V 200-10oV ov100v 100 V -200 V +300 V ov 200 V 100 ov +300 V 00V 100 V 200 Part A Review A 14-cm-long nichrome wire is connected across the terminals of a 1.5 V baery. What is the electric field inside the wire? Express your answer to two significant figures and include the appropriate units E-11 Previous Answers Correct Part B What is the current density inside the wire? Express your answer to two significant figures and include the appropriate units Previous Anewers Correct Revien Previous Answers A 14-cmong nichrome wire is connected across the terminals of a 15 V bamery Correct Part C the current in the wire is 1.2 A, what is the wire's diameter? Express your answer to two significant figures and include the appropriate units d5.34 10 mm Previous Anewers Request Answer Submit X Incorrect; Try Agnin; 8 attempts remaining

Answer 1

apart ag 、200- toナ200 + 1b0

6 . As-Talalt 10 calculated -Almt-which you - Inane in D Putting-values に 2.31 9 x10 im re: 才n mm de 0.4638 mm

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