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
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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
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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
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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
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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
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