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Chapter 31
Conductors a to d are all made of the same
material. Rank in order, from largest to
smallest, the resistances Ra to Rd.
1.
2.
3.
4.
5.
Ra > Rc > Rb > Rd
Rb > Rd > Ra > Rc
Rc > Ra > Rd > Rb
Rc > Ra = Rd > Rb
Rd > Rb > Rc > Ra
Conductors a to d are all made of the same
material. Rank in order, from largest to
smallest, the resistances Ra to Rd.
1.
2.
3.
4.
5.
Ra > Rc > Rb > Rd
Rb > Rd > Ra > Rc
Rc > Ra > Rd > Rb
Rc > Ra = Rd > Rb
Rd > Rb > Rc > Ra
Which of these diagrams represent the same circuit?
1. a and b
2. a and c
3. b and c
4. a, b, and c
5. a, b, and d
Which of these diagrams represent the same circuit?
1. a and b
2. a and c
3. b and c
4. a, b, and c
5. a, b, and d
What is ∆V across the
unspecified circuit
element? Does the
potential increase or
decrease when traveling
through this element in the
direction assigned to I?
1. ∆V increases by 2 V in the direction of I.
2. ∆V decreases by 2 V in the direction of I.
3. ∆V increases by 10 V in the direction of I.
4. ∆V decreases by 10 V in the direction of I.
5. ∆V increases by 26 V in the direction of I.
What is ∆V across the
unspecified circuit
element? Does the
potential increase or
decrease when traveling
through this element in the
direction assigned to I?
1. ∆V increases by 2 V in the direction of I.
2. ∆V decreases by 2 V in the direction of I.
3. ∆V increases by 10 V in the direction of I.
4. ∆V decreases by 10 V in the direction of I.
5. ∆V increases by 26 V in the direction of I.
Rank in order, from largest to smallest, the powers
Pa to Pd dissipated in resistors a to d.
1.
2.
3.
4.
5.
Pb > Pa = Pc = Pd
Pb = Pc > Pa > Pc
Pb = Pd > Pa > Pc
Pb > Pc > Pa > Pd
Pb > Pd > Pa > Pc
Rank in order, from largest to smallest, the powers
Pa to Pd dissipated in resistors a to d.
1.
2.
3.
4.
5.
Pb > Pa = Pc = Pd
Pb = Pc > Pa > Pc
Pb = Pd > Pa > Pc
Pb > Pc > Pa > Pd
Pb > Pd > Pa > Pc
What is the potential at points a to e ?
1.
2.
3.
4.
5.
What is the potential at points a to e ?
1.
2.
3.
4.
5.
Rank in order, from
brightest to dimmest,
the identical bulbs A
to D.
1. A = B = C = D
2. A > B > C = D
3. A > C > B > D
4. A > C = D > B
5. C = D > B > A
Rank in order, from
brightest to dimmest,
the identical bulbs A
to D.
1. A = B = C = D
2. A > B > C = D
3. A > C > B > D
4. A > C = D > B
5. C = D > B > A
The time constant for the
discharge of this
capacitor is
1. 1 s.
2. 2 s.
3. 4 s.
4. 5 s.
5. The capacitor doesn’t discharge because
the resistors cancel each other.
The time constant for the
discharge of this
capacitor is
1. 1 s.
2. 2 s.
3. 4 s.
4. 5 s.
5. The capacitor doesn’t discharge because
the resistors cancel each other.
Chapter 31
Reading Quiz
How many laws are named after Kirchhoff?
1. 0
2. 1
3. 2
4. 3
5. 4
How many laws are named after Kirchhoff?
1. 0
2. 1
3. 2
4. 3
5. 4
What property of a real battery makes its potential
difference slightly different than that of an ideal battery?
1. Short circuit
2. Chemical potential
3. Internal resistance
4. Effective capacitance
5. Inductive constant
What property of a real battery makes its potential
difference slightly different than that of an ideal battery?
1. Short circuit
2. Chemical potential
3. Internal resistance
4. Effective capacitance
5. Inductive constant
In an RC circuit, what quantity is
represented by the symbol
1. Period
2. Torque
3. Terminal voltage
4.Time constant
5. Coefficient of thermal expansion
In an RC circuit, what quantity is
represented by the symbol
1. Period
2. Torque
3. Terminal voltage
4. Time constant
5. Coefficient of thermal expansion
Which of the following are ohmic materials:
1. Wires
2. Resistors
3. Light bulb filaments
4. All of the above
5. None of the above
Which of the following are ohmic materials:
1. Wires
2. Resistors
3. Light bulb filaments
4. All of the above
5. None of the above
The equivalent resistance for a group of parallel resistors is
1. less than any resistor in the group.
2. equal to the smallest resistance in the group.
3. equal to the average resistance of the group.
4. equal to the largest resistance in the group.
5. larger than any resistor in the group.
The equivalent resistance for a group of parallel resistors is
1. less than any resistor in the group.
2. equal to the smallest resistance in the group.
3. equal to the average resistance of the group.
4. equal to the largest resistance in the group.
5. larger than any resistor in the group.