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Q26.1
Which of the two cases
shown has the smaller
equivalent resistance
between points a and b?
1. Case #1
2. Case #2
3. the equivalent resistance
is the same in both cases
4. answer depends on the
values of the individual
resistances R1, R2, and R3
A26.1
Which of the two cases
shown has the smaller
equivalent resistance
between points a and b?
1. Case #1
2. Case #2
3. the equivalent resistance
is the same in both cases
4. answer depends on the
values of the individual
resistances R1, R2, and R3
Q26.2
A 120-V, 60-W light bulb, a 120-V, 120-W light bulb, and a
120-V, 240-W light bulb are connected in series as shown.
If the voltage between points a and b is 120 V, through which
bulb will there be the greatest voltage drop?
1. the 120-V, 60-W light bulb
2. the 120-V, 120-W light bulb
3. the 120-V, 240-W light bulb
4. all three light bulbs have the same voltage drop
A26.2
A 120-V, 60-W light bulb, a 120-V, 120-W light bulb, and a
120-V, 240-W light bulb are connected in series as shown.
If the voltage between points a and b is 120 V, through which
bulb will there be the greatest voltage drop?
1. the 120-V, 60-W light bulb
2. the 120-V, 120-W light bulb
3. the 120-V, 240-W light bulb
4. all three light bulbs have the same voltage drop
Q26.3
A 120-V, 60-W light bulb, a
120-V, 120-W light bulb, and a
120-V, 240-W light bulb are
connected in parallel as shown.
If the voltage between points a
and b is 120 V, through which
bulb will there be the greatest
voltage drop?
1. the 120-V, 60-W light bulb
2. the 120-V, 120-W light bulb
3. the 120-V, 240-W light bulb
4. all three light bulbs have the
same voltage drop
A26.3
A 120-V, 60-W light bulb, a
120-V, 120-W light bulb, and a
120-V, 240-W light bulb are
connected in parallel as shown.
If the voltage between points a
and b is 120 V, through which
bulb will there be the greatest
voltage drop?
1. the 120-V, 60-W light bulb
2. the 120-V, 120-W light bulb
3. the 120-V, 240-W light bulb
4. all three light bulbs have the
same voltage drop
Q26.4
Three identical light bulbs are
connected to a source of emf as
shown. Which bulb is brightest?
1. light bulb A
2. light bulb B
3. light bulb C
4. both light bulbs B and C
(both are equally bright and are
brighter than light bulb A)
5. all bulbs are equally bright
A26.4
Three identical light bulbs are
connected to a source of emf as
shown. Which bulb is brightest?
1. light bulb A
2. light bulb B
3. light bulb C
4. both light bulbs B and C
(both are equally bright and are
brighter than light bulb A)
5. all bulbs are equally bright
Q26.5
You wish to study a resistor in a circuit. To simultaneously
measure the current in the resistor and the voltage across the
resistor, you would place
1. an ammeter in series and an voltmeter in series
2. an ammeter in series and an voltmeter in parallel
3. an ammeter in parallel and an voltmeter in series
4. an ammeter in parallel and an voltmeter in parallel
A26.5
You wish to study a resistor in a circuit. To simultaneously
measure the current in the resistor and the voltage across the
resistor, you would place
1. an ammeter in series and an voltmeter in series
2. an ammeter in series and an voltmeter in parallel
3. an ammeter in parallel and an voltmeter in series
4. an ammeter in parallel and an voltmeter in parallel
Q26.6
A battery, a capacitor, and a resistor are connected in series.
Which of the following affect(s) the maximum charge stored
on the capacitor?
1. the emf e of the battery
2. the capacitance C of the capacitor
3. the resistance R of the resistor
4. both e and C
5. all three of e, C, and R
A26.6
A battery, a capacitor, and a resistor are connected in series.
Which of the following affect(s) the maximum charge stored
on the capacitor?
1. the emf e of the battery
2. the capacitance C of the capacitor
3. the resistance R of the resistor
4. both e and C
5. all three of e, C, and R
Q26.7
A battery, a capacitor, and a resistor are connected in series.
Which of the following affect(s) the rate at which the
capacitor charges?
1. the emf e of the battery
2. the capacitance C of the capacitor
3. the resistance R of the resistor
4. both C and R
5. all three of e, C, and R
A26.7
A battery, a capacitor, and a resistor are connected in series.
Which of the following affect(s) the rate at which the
capacitor charges?
1. the emf e of the battery
2. the capacitance C of the capacitor
3. the resistance R of the resistor
4. both C and R
5. all three of e, C, and R