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# Knight_ch30

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```Chapter 30
Which potential-energy graph
describes this electric field?
1. a
2. b
3. c
4. d
5. e
Which potential-energy graph
describes this electric field?
1. a
2. b
3. c
4. d
5. e
Which set of equipotential surfaces matches this electric
field?
(1)
(2)
(4)
(3)
(5)
Which set of equipotential surfaces matches this electric
field?
(1)
(3)
(2)
(4)
(5)
Three charged, metal
connected by a thin metal
wire. The potential and
electric field at the surface
of each sphere are V and E.
Which of the following is
true?
1.
2.
3.
4.
5.
V1 = V2 = V3 and E1 = E2 = E3
V1 = V2 = V3 and E1 > E2 > E3
V1 > V2 > V3 and E1 = E2 = E3
V1 > V2 > V3 and E1 > E2 > E3
V3 > V2 > V1 and E1 = E2 = E3
Three charged, metal
connected by a thin metal
wire. The potential and
electric field at the surface
of each sphere are V and E.
Which of the following is
true?
1.
2.
3.
4.
5.
V1 = V2 = V3 and E1 = E2 = E3
V1 = V2 = V3 and E1 > E2 > E3
V1 > V2 > V3 and E1 = E2 = E3
V1 > V2 > V3 and E1 > E2 > E3
V3 > V2 > V1 and E1 = E2 = E3
A wire connects the positive
and negative terminals of a
battery. Two identical wires
connect the positive and
negative terminals of an
identical battery. Rank in
order, from largest to
smallest, the currents Ia to Id
at points a to d.
1.
2.
3.
4.
5.
Ia = Ib = Ic = Id
Ia = Ib > Ic = Id
Ic = Id > Ia = Ib
Ic = Id > Ia > Ib
Ia > Ib > Ic = Id
A wire connects the positive
and negative terminals of a
battery. Two identical wires
connect the positive and
negative terminals of an
identical battery. Rank in
order, from largest to
smallest, the currents Ia to Id
at points a to d.
1.
2.
3.
4.
5.
Ia = Ib = Ic = Id
Ia = Ib > Ic = Id
Ic = Id > Ia = Ib
Ic = Id > Ia > Ib
Ia > Ib > Ic = Id
Rank in order, from largest to smallest, the equivalent
capacitance (Ceq)a to (Ceq)d of circuits a to d.
1. (Ceq)a > (Ceq)b = (Ceq)c > (Ceq)d
2. (Ceq)b > (Ceq)a = (Ceq)d > (Ceq)c
3. (Ceq)c > (Ceq)a = (Ceq)d > (Ceq)b
4. (Ceq)d > (Ceq)b = (Ceq)c > (Ceq)a
5. (Ceq)d > (Ceq)b > (Ceq)a > (Ceq)c
Rank in order, from largest to smallest, the equivalent
capacitance (Ceq)a to (Ceq)d of circuits a to d.
1. (Ceq)a > (Ceq)b = (Ceq)c > (Ceq)d
2. (Ceq)b > (Ceq)a = (Ceq)d > (Ceq)c
3. (Ceq)c > (Ceq)a = (Ceq)d > (Ceq)b
4. (Ceq)d > (Ceq)b = (Ceq)c > (Ceq)a
5. (Ceq)d > (Ceq)b > (Ceq)a > (Ceq)c
Chapter 30
What quantity is represented by the symbol
1. Electronic potential
2. Excitation potential
3. Electromotive force
4. Electric stopping power
5. Exosphericity
?
What quantity is represented by the symbol
1. Electronic potential
2. Excitation potential
3. Electromotive force
4. Electric stopping power
5. Exosphericity
?
What is the SI unit of capacitance?
1. Capaciton
3. Hertz
4. Henry
5. Exciton
What is the SI unit of capacitance?
1. Capaciton
3. Hertz
4. Henry
5. Exciton
The electric field
1. is always perpendicular to an equipotential
surface.
2. is always tangent to an equipotential
surface.
3. always bisects an equipotential surface.
4. makes an angle to an equipotential surface
that depends on the amount of charge.
The electric field
1. is always perpendicular to an equipotential
surface.
2. is always tangent to an equipotential
surface.
3. always bisects an equipotential surface.
4. makes an angle to an equipotential surface
that depends on the amount of charge.
The relationship I = в€†Vwire/R is called
2. AmpereвЂ™s law.
3. OhmвЂ™s law.
4. MaxwellвЂ™s equation.
5. No name was given in this chapter.
The relationship I = в€†Vwire/R is called
2. AmpereвЂ™s law.
3. OhmвЂ™s law.
4. MaxwellвЂ™s equation.
5. No name was given in this chapter.
```
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