Question 1

Draw a circuit with a battery connected to four resistors, $R _ { 1 } , R _ { 2 } , R _ { 3 }$, and $R _ { 4 }$, as follows. Resistors $R _ { 1 }$ and $R _ { 2 }$ are connected in parallel with each other, resistors $R _ { 3 }$ and $R _ { 4 }$ are connected in parallel with each other, and both parallel sets of resistors are connected in series with each other across the battery.
A)

B)

C)
 .
D)

Accepted Answer

The answer of Draw a circuit with a battery connected...

Question 2

You have three capacitors with capacitances of 4.00 µF, 7.00 µF, and 9.00 µF. What is the
equivalent capacitance if they are connected (a) in series and (b) in parallel?

Accepted Answer

The answer of You have three capacitors with capacitances of...

Question 3

A charged capacitor is connected in series with a resistor and an open switch. At time $t = 0$ s, the switch is closed. Which of the graphs below best describes the potential difference $V$ across the capacitor as a function of time $t$ ?
A) 
B) 
C) 
D)
E)

Accepted Answer

The answer of A charged capacitor is connected in series...

Question 4

In the circuit shown in the figure, the resistor $R$ has a variable resistance. As $R$ is decreased, what happens to the currents?

A) $I _ { 1 }$ decreases and $I _ { 2 }$ increases.
B) $I _ { 1 }$ increases and $I _ { 2 }$ decreases.
C) $I _ { 1 }$ decreases and $I _ { 2 }$ decreases.
D) $I _ { 1 }$ remains unchanged and $I _ { 2 }$ increases.
E) $I _ { 1 }$ increases and $I _ { 2 }$ increases.

Accepted Answer

The answer of In the circuit shown in the figure,...

Question 5

Identical light bulbs can be attached to identical ideal batteries in three different ways (A, B, or C), as shown in the figure. The ranking (from lowest to highest) of the total power produced by the battery is

A) $A , B , C$
B) $C , A , B$
C) $A , C , B$
D) $C , B , A$
E) B, A, C

Accepted Answer

The answer of Identical light bulbs can be attached to...

Question 6

A 9-V battery is hooked up to two resistors in series using wires of negligible resistance. One has a resistance of $5 \Omega$, and the other has a resistance of $10 \Omega$. Several locations along the circuit are marked with letters, as shown in the figure. Which statements about this circuit are true? (There could be more than one correct choice.)

A) The current is exactly the same at points A, B, C, and D.
B) The potential at $B$ is equal to the potential at $C$.
C) The current at $A$ is greater than the current at $B$, which is equal to the current at $C$, which is greater than the current at D.
D) The potential at $D$ is equal to the potential at $C$.
E) The current at $\mathrm { A }$ is greater than the current at $\mathrm { B }$, which is greater than the current at $\mathrm { C }$, which is greater than the current at $D$.

Accepted Answer

The answer of A 9-V battery is hooked up to...

Question 7

A charged capacitor is connected in series with a resistor and an open switch. At time t = 0 s, the switch is closed. Which of the graphs below best describes the current I through the
Resistor as a function of time t? 
A) 
B)  .
C)
D)
E)

Accepted Answer

The answer of A charged capacitor is connected in series...

Question 8

A network of capacitors is connected across a potential difference $V _ { 0 }$ as shown in the figure.
(a) What should $V _ { 0 }$ be so that the $60.0 - \mu \mathrm { F }$ capacitor will have $18.0 \mu \mathrm { C }$ of charge on each of its plates?
(b) Under the conditions of part (a), how much total energy is stored in this network of capacitors?

Accepted Answer

The answer of A network of capacitors is connected across...

Question 9

A charged capacitor is connected in series with a resistor and an open switch. At time t = 0 s, the switch is closed. Which of the graphs below best describes the charge Q on the
Capacitor as a function of time t? 
A)
B)
C)
D)
E) .

Accepted Answer

The answer of A charged capacitor is connected in series...

Question 10

Identical ideal batteries are connected in different arrangements to the same light bulb, as shown in the figure. For which arrangement will the bulb shine the brightest?

A) $\mathrm { A }$
B) $B$
C) $\mathrm { C }$

Accepted Answer

The answer of Identical ideal batteries are connected in different...

Question 11

An uncharged capacitor is connected in series with a resistor, a dc battery, and an open switch. At time $t = 0 \mathrm {~s}$, the switch is closed. Which of the graphs below best describes the potential difference $V$ across the capacitor as a function of time $t$ ?
A) .
B) .
C)  
D) 
E)

Accepted Answer

The answer of An uncharged capacitor is connected in series...

Question 12

For the circuit shown in the figure, write the Kirchhoff current equation for the node labeled A. Notice the directions of the currents!

Accepted Answer

The answer of For the circuit shown in the figure,...

Question 13

An uncharged capacitor is connected in series with a resistor, a dc battery, and an open switch. At time t = 0 s, the switch is closed. Which of the graphs below best describes the
Current I through the resistor as a function of time t? 
A) 
B)
C)
D)
E)

Accepted Answer

The answer of An uncharged capacitor is connected in series...

Question 14

For the circuit shown in the figure, write the Kirchhoff loop equation for the entire outside loop. Notice the directions of the currents!

Accepted Answer

The answer of For the circuit shown in the figure,...

Question 15

An uncharged capacitor is connected in series with a resistor, a dc battery, and an open switch. At time $t = 0 \mathrm {~s}$, the switch is closed. Which of the graphs below best describes the potential difference $V$ across the resistor as a function of time $t$ ?
A) 
B) 
C) 
D) 
E)

Accepted Answer

The answer of An uncharged capacitor is connected in series...

Question 16

A charged capacitor is connected in series with a resistor and an open switch. At time t = 0 s, the switch is closed. Which of the graphs below best describes the potential difference V
Across the resistor as a function of time t? 
A) 
B) 
C) 
D) 
E)

Accepted Answer

The answer of A charged capacitor is connected in series...

Question 17

A network of capacitors is mostly inside a sealed box, but one capacitor $C X$ is sticking out, as shown in the figure. When you connect a multimeter across points $a$ and $b$, it reads $27.0 \mu \mathrm { F }$. What is $C X$ ?

A) $2.2 \mu \mathrm { F }$
B) $23.0 \mu \mathrm { F }$
C) $2.4 \mu \mathrm { F }$
D) $4.0 \mu \mathrm { F }$
E) $27.0 \mu \mathrm { F }$

Accepted Answer

The answer of A network of capacitors is mostly inside...

Question 18

An uncharged capacitor is connected in series with a resistor, a dc battery, and an open switch. At time t = 0 s, the switch is closed. Which of the graphs below best describes the
Charge Q on the capacitor as a function of time t?
A)
B)
C)
D)
E)

Accepted Answer

The answer of An uncharged capacitor is connected in series...

Question 19

A 9-V battery is hooked up to two resistors in series. One has a resistance of $5 \Omega$, and the other has resistance of $10 \Omega$. Several locations along the circuit are marked with letters, as shown in the figure. Through which resistor is energy being dissipated at the higher rate?

A) Energy is being dissipated by both resistors at the same rate.
B) the $5 - \Omega$ resistor
C) the $10 - \Omega$ resistor

Accepted Answer

The answer of A 9-V battery is hooked up to...

Question 20

A 4.0-µF capacitor and an 8.0-µF capacitor are connected together. What is the equivalent
capacitance of the combination if they are connected (a) in series or (b) in parallel?

Accepted Answer

The answer of A 4.0-µF capacitor and an 8.0-µF capacitor...

Quiz 19: Dc Circuits

You have three capacitors with capacitances of 4.00 µF, 7.00 µF, and 9.00 µF. What is the equivalent capacitance if they are connected (a) in series and (b) in parallel?

A charged capacitor is connected in series with a resistor and an open switch. At time $t = 0$ s, the switch is closed. Which of the graphs below best describes the potential difference $V$ across the capacitor as a function of time $t$ ?

Identical light bulbs can be attached to identical ideal batteries in three different ways (A, B, or C) , as shown in the figure. The ranking (from lowest to highest) of the total power produced by the battery is

A charged capacitor is connected in series with a resistor and an open switch. At time t = 0 s, the switch is closed. Which of the graphs below best describes the current I through the Resistor as a function of time t?

A charged capacitor is connected in series with a resistor and an open switch. At time t = 0 s, the switch is closed. Which of the graphs below best describes the charge Q on the Capacitor as a function of time t?

An uncharged capacitor is connected in series with a resistor, a dc battery, and an open switch. At time $t = 0 \mathrm {~s}$ , the switch is closed. Which of the graphs below best describes the potential difference $V$ across the capacitor as a function of time $t$ ?

For the circuit shown in the figure, write the Kirchhoff current equation for the node labeled A. Notice the directions of the currents!

An uncharged capacitor is connected in series with a resistor, a dc battery, and an open switch. At time t = 0 s, the switch is closed. Which of the graphs below best describes the Current I through the resistor as a function of time t?

For the circuit shown in the figure, write the Kirchhoff loop equation for the entire outside loop. Notice the directions of the currents!

An uncharged capacitor is connected in series with a resistor, a dc battery, and an open switch. At time $t = 0 \mathrm {~s}$ , the switch is closed. Which of the graphs below best describes the potential difference $V$ across the resistor as a function of time $t$ ?

A charged capacitor is connected in series with a resistor and an open switch. At time t = 0 s, the switch is closed. Which of the graphs below best describes the potential difference V Across the resistor as a function of time t?

An uncharged capacitor is connected in series with a resistor, a dc battery, and an open switch. At time t = 0 s, the switch is closed. Which of the graphs below best describes the Charge Q on the capacitor as a function of time t?

A 4.0-µF capacitor and an 8.0-µF capacitor are connected together. What is the equivalent capacitance of the combination if they are connected (a) in series or (b) in parallel?

Quiz 19: Dc Circuits

You have three capacitors with capacitances of 4.00 µF, 7.00 µF, and 9.00 µF. What is the equivalent capacitance if they are connected (a) in series and (b) in parallel?

A charged capacitor is connected in series with a resistor and an open switch. At time t=0t = 0t=0 s, the switch is closed. Which of the graphs below best describes the potential difference VVV across the capacitor as a function of time ttt ?

In the circuit shown in the figure, the resistor RRR has a variable resistance. As RRR is decreased, what happens to the currents?

Identical light bulbs can be attached to identical ideal batteries in three different ways (A, B, or C) , as shown in the figure. The ranking (from lowest to highest) of the total power produced by the battery is

A charged capacitor is connected in series with a resistor and an open switch. At time t = 0 s, the switch is closed. Which of the graphs below best describes the current I through the Resistor as a function of time t?

A charged capacitor is connected in series with a resistor and an open switch. At time t = 0 s, the switch is closed. Which of the graphs below best describes the charge Q on the Capacitor as a function of time t?

Identical ideal batteries are connected in different arrangements to the same light bulb, as shown in the figure. For which arrangement will the bulb shine the brightest?

An uncharged capacitor is connected in series with a resistor, a dc battery, and an open switch. At time t=0 st = 0 \mathrm {~s}t=0 s , the switch is closed. Which of the graphs below best describes the potential difference VVV across the capacitor as a function of time ttt ?

For the circuit shown in the figure, write the Kirchhoff current equation for the node labeled A. Notice the directions of the currents!

An uncharged capacitor is connected in series with a resistor, a dc battery, and an open switch. At time t = 0 s, the switch is closed. Which of the graphs below best describes the Current I through the resistor as a function of time t?

For the circuit shown in the figure, write the Kirchhoff loop equation for the entire outside loop. Notice the directions of the currents!

An uncharged capacitor is connected in series with a resistor, a dc battery, and an open switch. At time t=0 st = 0 \mathrm {~s}t=0 s , the switch is closed. Which of the graphs below best describes the potential difference VVV across the resistor as a function of time ttt ?

A charged capacitor is connected in series with a resistor and an open switch. At time t = 0 s, the switch is closed. Which of the graphs below best describes the potential difference V Across the resistor as a function of time t?

A network of capacitors is mostly inside a sealed box, but one capacitor CXC XCX is sticking out, as shown in the figure. When you connect a multimeter across points aaa and bbb , it reads 27.0μF27.0 \mu \mathrm { F }27.0μF . What is CXC XCX ?

An uncharged capacitor is connected in series with a resistor, a dc battery, and an open switch. At time t = 0 s, the switch is closed. Which of the graphs below best describes the Charge Q on the capacitor as a function of time t?

A 4.0-µF capacitor and an 8.0-µF capacitor are connected together. What is the equivalent capacitance of the combination if they are connected (a) in series or (b) in parallel?

A charged capacitor is connected in series with a resistor and an open switch. At time $t = 0$ s, the switch is closed. Which of the graphs below best describes the potential difference $V$ across the capacitor as a function of time $t$ ?

An uncharged capacitor is connected in series with a resistor, a dc battery, and an open switch. At time $t = 0 \mathrm {~s}$ , the switch is closed. Which of the graphs below best describes the potential difference $V$ across the capacitor as a function of time $t$ ?

An uncharged capacitor is connected in series with a resistor, a dc battery, and an open switch. At time $t = 0 \mathrm {~s}$ , the switch is closed. Which of the graphs below best describes the potential difference $V$ across the resistor as a function of time $t$ ?