The capacitors in each circuit (a) through (d), pictured to the right, discharge when the switch...
The capacitors in each circuit (a) through (d), pictured to the right, discharge when the switch closes at t=0 seconds. Rank in order from largest to smallest, the length of time it takes for the circuit to discharge. The individual capacitors all have the same capacitance, and the light bulbs are identical in all circuits.
Homework Answers
The time constant is R*Ce, where Ce is the effective capacitance. If each capacitor is C, then the effective capacitance in each circuit is
(a) 0.5*C
(b) C
(c) 2*C
(d) 0.67*C
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The capacitors in each circuit (a) through (d), pictured to the right, discharge when the switch...
The capacitors in each circuit are fully charged before the switch is closed. Rank, from longest...
The capacitors in each circuit are fully charged before the
switch is closed. Rank, from longest to shortest, the length of
time the bulbs (resistors) stay lit in each circuit.
please explain! In the circuits below, all bulbs are identical, and all batteries are ideal and...
please explain!
In the circuits below, all bulbs are identical, and all batteries are ideal and identical. A B 1. Consider the circuit at right. Note that the middle battery is not connected in the same way as the other two. Rank bulbs A-C according to brightness, from largest to smallest. If any bulbs are equal in brightness or if any bulbs are not lit, state so explicitly. Explain. с
1. (32 points) In the circuit pictured at the right, the switch S is closed at...
1. (32 points) In the circuit pictured at the right, the switch S is closed at t=0. 822 (a) (10 pts.) What is the current through the inductor (i) just after the switch is closed and (ii) a “long” time after S is closed? (two answers) 24 (b) (10 pts.) Draw a careful graph of the current through the inductor vs. time for t> 0. Label the axes (include units) and indicate on the graph the point at which the...
4. Consider the identical light bulbs (e) in the circuit to the right. Circuits 1, 2,...
4. Consider the identical light bulbs (e) in the circuit to the right. Circuits 1, 2, 3, 4 are series circuits". I? 2 Circuits 5, 6, and 8 are "parallel circuits". 4 Some circuits have one battery, others have two batteries. 6 Now close the switch. Using the "brightness" of the bulb in the simple circuit 1 as the standard for normal" brightness, answer the following questions by specifying the circuit(s) number(s) 5 7 (a) Which circuits had bulbs that...
1. Shown above are two different circuits. Each circuit is made out a battery, a capacitor,...
1. Shown above are two different circuits. Each circuit is made
out a battery, a capacitor, a switch, and two resistors. All the
components (batteries, switches, capacitors, and resistors) are
identical in the above circuits. For both circuits, when the switch
is closed, the capacitors will get charged. Which of the following
is correct about the peak current in the circuit?
- Circuit B has 4 times larger peak current than circuit A.
- Circuit B has 2 times larger...
A.) Shown above are two different circuits. Each circuit is made out a battery, a capacitor,...
A.) Shown above are two different circuits. Each circuit is made
out a battery, a capacitor, a switch, and two resistors. All the
components (batteries, switches, capacitors, and resistors) are
identical in the above circuits. For both circuits, when the switch
is closed, the capacitors will get charged. Which of the following
is correct about the peak current in the circuit? Explain your
choice.
a) Circuit B has 4 times larger peak current than circuit A.
b) Circuit B has...
Shown below is a DC circuit that contains a number of switches. The resistance of each...
Shown below is a DC circuit that contains a number of switches. The resistance of each switch is negligible when closed. All of the connecting wires may be considered to have zero resistance. All of the resistors shown are identical. The circuit contains an ideal ammeter. The diagram shows all of the switches open. Beside the diagram are eight different switch configurations for the circuit. Rank these configurations in terms of the ammeter reading. That is, put first the configuration...
There will be a flow from the battery when the switch is open and, for the sake of discussion, we...
need help to do the pressure and flow parts, heres a pic of the
circuit
There will be a flow from the battery when the switch is open and, for the sake of discussion, we'1 call that flow I glow. Assume that the obstacle presented by any of the identical bulbs is L no matter what flow goes through it. (This is equivalent to; assume that the bulbs are ideal') Copy the following table into your pre-lab Table 6; Pressure...
AP Physics 2 More Chapter 19 Review 1. Consider a 3 uF and 6 uF dapacitor...
AP Physics 2 More Chapter 19 Review 1. Consider a 3 uF and 6 uF dapacitor connected in series, capacitors is connected to a battery of voltage, V. E Capacitor connected in series, with & 2 uF Japacitor connected in parallel to them. The system of (a) Rank the potential differences across each capaci Ch i tterences across each capacitor and the battery (1 indicates greatest potential. Give the same rank value for any that have the same potential difference.)...
8. Capacitance in circuits, RC circuits When a voltage source Vo is applied to a capacitor...
8. Capacitance in circuits, RC circuits When a voltage source Vo is applied to a capacitor in a circuit which has a resistance R, a charge Q CV will build up across the capacitor. This does not happen instantaneously, but takes some time. The charge builds up exponentially with a characteristic time r = RC. Charging: V = v. 1 - e-t/RC) Discharging: Vc = V e-t/RC Page 2 of 3 When t = RC , the exponential is lle,...
The capacitors in each circuit are fully charged before the
switch is closed. Rank, from longest to shortest, the length of
time the bulbs (resistors) stay lit in each circuit.
please explain!
In the circuits below, all bulbs are identical, and all batteries are ideal and identical. A B 1. Consider the circuit at right. Note that the middle battery is not connected in the same way as the other two. Rank bulbs A-C according to brightness, from largest to smallest. If any bulbs are equal in brightness or if any bulbs are not lit, state so explicitly. Explain. с
1. (32 points) In the circuit pictured at the right, the switch S is closed at t=0. 822 (a) (10 pts.) What is the current through the inductor (i) just after the switch is closed and (ii) a “long” time after S is closed? (two answers) 24 (b) (10 pts.) Draw a careful graph of the current through the inductor vs. time for t> 0. Label the axes (include units) and indicate on the graph the point at which the...
4. Consider the identical light bulbs (e) in the circuit to the right. Circuits 1, 2, 3, 4 are series circuits". I? 2 Circuits 5, 6, and 8 are "parallel circuits". 4 Some circuits have one battery, others have two batteries. 6 Now close the switch. Using the "brightness" of the bulb in the simple circuit 1 as the standard for normal" brightness, answer the following questions by specifying the circuit(s) number(s) 5 7 (a) Which circuits had bulbs that...
1. Shown above are two different circuits. Each circuit is made
out a battery, a capacitor, a switch, and two resistors. All the
components (batteries, switches, capacitors, and resistors) are
identical in the above circuits. For both circuits, when the switch
is closed, the capacitors will get charged. Which of the following
is correct about the peak current in the circuit?
- Circuit B has 4 times larger peak current than circuit A.
- Circuit B has 2 times larger...
A.) Shown above are two different circuits. Each circuit is made
out a battery, a capacitor, a switch, and two resistors. All the
components (batteries, switches, capacitors, and resistors) are
identical in the above circuits. For both circuits, when the switch
is closed, the capacitors will get charged. Which of the following
is correct about the peak current in the circuit? Explain your
choice.
a) Circuit B has 4 times larger peak current than circuit A.
b) Circuit B has...
Shown below is a DC circuit that contains a number of switches. The resistance of each switch is negligible when closed. All of the connecting wires may be considered to have zero resistance. All of the resistors shown are identical. The circuit contains an ideal ammeter. The diagram shows all of the switches open. Beside the diagram are eight different switch configurations for the circuit. Rank these configurations in terms of the ammeter reading. That is, put first the configuration...
need help to do the pressure and flow parts, heres a pic of the
circuit
There will be a flow from the battery when the switch is open and, for the sake of discussion, we'1 call that flow I glow. Assume that the obstacle presented by any of the identical bulbs is L no matter what flow goes through it. (This is equivalent to; assume that the bulbs are ideal') Copy the following table into your pre-lab Table 6; Pressure...
AP Physics 2 More Chapter 19 Review 1. Consider a 3 uF and 6 uF dapacitor connected in series, capacitors is connected to a battery of voltage, V. E Capacitor connected in series, with & 2 uF Japacitor connected in parallel to them. The system of (a) Rank the potential differences across each capaci Ch i tterences across each capacitor and the battery (1 indicates greatest potential. Give the same rank value for any that have the same potential difference.)...
8. Capacitance in circuits, RC circuits When a voltage source Vo is applied to a capacitor in a circuit which has a resistance R, a charge Q CV will build up across the capacitor. This does not happen instantaneously, but takes some time. The charge builds up exponentially with a characteristic time r = RC. Charging: V = v. 1 - e-t/RC) Discharging: Vc = V e-t/RC Page 2 of 3 When t = RC , the exponential is lle,...
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