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Question 1 A proton enters a capacitor through a tiny hole. System: everything Which is true? 1) ΔK = 0 and ΔU =0 2) ΔK < 0 and ΔU > 0 3) ΔK > 0 and ΔU < 0 4) ΔK > 0 and ΔU > 0 5) ΔK < 0 and ΔU< 0 Question 2 An electron enters a capacitor through a tiny hole. System: everything Which is true? 1) ΔK = 0 and ΔU =0 2) ΔK < 0 and ΔU > 0 3) ΔK > 0 and ΔU < 0 4) ΔK > 0 and ΔU > 0 5) ΔK < 0 and ΔU< 0 Document1 1 Question 3 The electric field is uniform in this region. B is at < 2, 2, 0> m. C is at < 2, 0, 0> m. = < 0, –300, 0> N/C. A proton moves from B to C. How much work is done on the proton by the electric force? 1) 0 2) +600 J 3) –600 J 4) –9.6e-17 J 5) +9.6e-17 J Question 4 The electric field is uniform in this region. A is at < 0, 0, 0> m. C is at < 2, -2, 0> m. = < 0, –300, 0> N/C. A electron moves from C to A. How much work is done on the proton by the electric force? 1) 0 2) <0, 9.6e-17, 0> J 3) <0, –9.6e-17, 0> J 4) –9.6e-17 J 5) +9.6e-17 J Document1 2 Question 5 The electric field is uniform in this region. B is at < 2, 2, 0> m. C is at < 2, 0, 0> m. = < 0, –300, 0> N/C What is ΔV along a path from B to C? 1) +150 V 2) –150 V 3) +300 V 4) –300 V 5) +600 V 6) –600 V Question 6 The electric field is uniform in this region. B is at < 0, 0, 0> m. C is at < 0, –2, 0> m. = < 0, 400, 0> N/C What is ΔV along a path from B to C? 1) +200 V 2) –200 V 3) +400 V 4) –400 V 5) +800 V 6) –800 V Document1 3 Question 7 The electric field is uniform in this region. B is at < 0, 0, 0> m. C is at < 0, –2, 0> m. = < –200, –300, 0> N/C What is ΔV along a path from B to C? 1) 0 V 2) –300 V 3) –500 V 4) –600 V 5) –1000 V Question 8 The electric field is uniform in this region. B is at < 0, 0, 0> m. C is at < 0, –2, 0> m. ΔV along a path from B to C is 500 volts. What is the magnitude of the electric field in this region? 1) 250 V/m 2) 500 V/m 3) 750 V/m 4) 1000 V/m Document1 4 Question 9 The electric field is uniform in this region. A is at < 3, 2, 0> m. C is at < 8, 0, 0> m. = < –200, –400, 0> N/C What is ΔV along a path from A to C? 1) –200 V 2) +200 V 3) –1000 V 4) +1000 V 5) –800 V 6) +800V Question 10 The electric field is uniform in this region. A is at < 3, 2, 0> m. B is at < 5, 2, 0> m. = <0, –400, 0> N/C What is ΔV along a path from A to B? 1) 0 V 2) –400 V 3) +400 V 4) –800 V 5) +800V Document1 5