A) 3 Ω
B) 55 Ω
C) 28 Ω
D) 11 Ω
E) 32 Ω
G) All of the above
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A) must be zero
B) must be parallel to current flow
C) must be anti-parallel (opposite direction) to current flow
D) must be perpendicular to current flow
F) A) and C)
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A) positive and constant.
B) zero.
C) negative.
D) positive and uniformly increasing.
F) B) and C)
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A) 0.6 × 103 A
B) 1.7 × 103 A
C) 1.2 × 103 A
D) 1 × 103 A
E) 0.7 × 103 A
G) C) and D)
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A) 0.6 A
B) 1.8 A
C) 45 A
D) 5,500 A
E) 2.8 A
G) B) and E)
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A) do positive work on the battery.
B) receive heat energy from the resistor.
C) have a net loss of potential energy.
D) have no net change in potential energy.
F) B) and C)
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A) 0.074 (°C) −1
B) 0.01 (°C) −1
C) 0.0067 (°C) −1
D) 1.5 (°C) −1
E) 0.037 (°C) −1
G) B) and D)
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A) T/4
B) T
C) 4T
D) 8T
F) A) and C)
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A) 5.8 × 10−4 (°C) −1
B) 4.2 × 10−3 (°C) −1
C) 18.2 × 10−3 (°C) −1
D) 4.6 × 10−3 (°C) −1
E) 2.1 × 10−4 (°C) −1
G) B) and E)
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A) NA ρ M
B) NA ρ /M
C) NA M/ρ
D) NA /ρ M
F) B) and C)
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A) 1.4 × 10−8 Ω⋅m
B) 42.4 × 10−8 Ω⋅m
C) 1.3 × 10−8 Ω⋅m
D) 2.1 × 10−8 Ω⋅m
E) 14.1 × 10−8 Ω⋅m
G) A) and E)
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A) 60 kW
B) 600 kW
C) 60 MW
D) 600 MW
E) 600 W
G) B) and D)
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A) It doubles.
B) It quadruples.
C) It halves.
D) It stays the same.
F) C) and D)
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A) 360 W
B) 12 W
C) 25.7 W
D) 5.6 W
E) 30 W
G) A) and E)
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A) 8 R
B) R
C) R/4
D) The resistance is not given.
F) A) and B)
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A) 1.02 A
B) 0.95 A
C) 0.98 A
D) 1.05 A
E) 1.95 A
G) B) and C)
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A) 11 J
B) 275 J
C) 3,850 J
D) 154 J
E) 625 J
G) A) and D)
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A) 150 C
B) 15 C
C) 1.5 C
D) 0.007 C
E) 0.1 C
G) C) and D)
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A) the bulb's resistance decreases.
B) the bulb's resistance increases.
C) the current in the bulb decreases.
D) the power dissipated remains constant.
F) All of the above
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A) an extremely great length
B) a large cross sectional area
C) an extremely high temperature
D) no resistance
F) A) and D)
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