Q16.1a A proton enters a capacitor through a tiny hole. System: everything
Which is true?
1)
Δ
K = 0 and
Δ
U =0
2)
Δ
K < 0 and
Δ
U > 0
3)
Δ
K > 0 and
Δ
U < 0
4)
Δ
K > 0 and
Δ
U > 0
5)
Δ
K < 0 and
Δ
U< 0

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Q16.1b An electron enters a capacitor through a tiny hole. System: everything
Which is true?
1)
Δ
K = 0 and
Δ
U =0
2)
Δ
K < 0 and
Δ
U > 0
3)
Δ
K > 0 and
Δ
U < 0
4)
Δ
K > 0 and
Δ
U > 0
5)
Δ
K < 0 and
Δ
U< 0

Q16.3a The electric field is uniform in this region. B is at < 2, 2, 0> m.
C is at < 2, 0, 0> m.
E
v
= < 0, –300, 0> N/C
What is
Δ
V 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

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