1)
2)
For a constant charge, what happens to the capacitance if the potential is increased?
| a |
Increased |
|
| b |
Decreased |
|
| c |
No change |
3)
A resistor with resistance R is connected in series with a resistor of resistance R/2. Is the equivalent resistance of the series combination, Rs, less than, greater than, or equal to R?
| a |
Rs<R |
|
| b |
Rs>R |
|
| c |
Rs=R |
4)
An RC circuit contains a 16Fcapacitor and a 2Ω resistor. What is the time constant of the circuit?
| a |
1/8 s |
|
| b |
2 s |
|
| c |
8 s |
|
| d |
16 s |
|
| e |
32 s |
Homework Answers
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For a constant charge, what happens to the capacitance if the
potential is increased?...
7 A circuit consists of a resistor of resistance R, and a capacitor of capacitance C,...
7 A circuit consists of a resistor of resistance R, and a capacitor of capacitance C, connected in series, and is described by the first order differential equation - + y = E where E is the constant e.m.f. and v is the voltage across the capacitor. Given that v(O) = 0, show by using the integrating factor method that v = E(1 - e-t/(RC))
C1 BAT Exercise 4: Find the effective capacitance of the circuit below. What is the potential...
C1 BAT Exercise 4: Find the effective capacitance of the circuit below. What is the potential across BAT 15 v 3 1053 AM 3/8/2019 s//moodle.potsdam.edu/pluginfile.php/482412/course/section/1 Exercise 3: Find the effective capacitance of the circuit below. What is the potential across each capacitor? How much charge is on each capacitor? C1 5 pF BAT Exercise 4: Find the effective capacitance of the circuit below, What is the each capácitor? How much charge is on each capacitor? ork4.pdf Exercise 1: Find the...
1. What does the time constant of an RC circuit that is being charged tell you?
Background Summary Questions: 1. What does the time constant of an RC circuit that is being charged tell you? 2. What does the time constant of an RC circuit that is being discharged tell you? 3. How is the voltage across the capacitor related to the charge on a capacitor? (Linear, Inverse, Quadratic, etc.) 4. Based on your answer to question 3, how would you write an expression for the voltage across the capacitor as a function of time? a. Charging: V(t) b. Discharging: V(t)= Background: The...
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Question 2 1 pts If two equal value capacitors (each of capacitance = C) are connected in series, the resulting capacitance will be: O2c Ос C/2 Question 3 1 pts If two equal value resistors (each of resistance = R) are connected in series, the resulting resistance will be: OR12 OR © 2R D Question 4 2 pts In an R-C Circuit, if the resistance is 20 Q and Capacitance is 5 pF. what will be the time constant? O...
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с с с HHHE 0 0 0 2 Which combination will have the greatest equivalent capacitance? CA. 1 B. 2 C. 3 D. 4 HE A simple RC circuit is shown. When the switch is closed at what value time, t, does the charge on the capacitor reach its maximum value? A. t=0 B. t=1/RC C C. t RC CD. t=infinity R2 = 5012 w R4 = 4512 R3 = 30 12 w R = 7512 w R6 = 2012...
constant, find the power delivered to the wire 9-2 In the circuit on the right, find a. the equivalent resistance between points a and b b. the voltage across the 7 1-2 on resistor o c. the curren...
constant, find the power delivered to the wire 9-2 In the circuit on the right, find a. the equivalent resistance between points a and b b. the voltage across the 7 1-2 on resistor o c. the current in the 6 resistor d. the potential difference between points a and c, that is Ve-Va 3-n ㄟˋ 4o.oV
constant, find the power delivered to the wire 9-2 In the circuit on the right, find a. the equivalent resistance between points a...
ances 1. Using the exact exponential treatment, find how much time is required to charge an...
ances 1. Using the exact exponential treatment, find how much time is required to charge an initially uncharged 142 pF capacitor through a 76 MA resistor to 90% of its final voltage. ta S la mo 1. A 590 n resistor, an uncharged 1.8 uF capacitor, and a 6.17 V emf are connected in series. А W R mp +9 E C -9 (a) What is the initial current? (0) = (b) What is the RC time constant T? T...
Problem 7 A resistor with resistance R, battery with voltage AV, capacitor with capacitance C, and...
Problem 7 A resistor with resistance R, battery with voltage AV, capacitor with capacitance C, and switch are connected in series. The switch is closed at t = 0. The time constant of the circuit is T. What is the initial voltage across the resistor immediately after the student is closed? Select One of the Following: (a) o (b) AV (c) TAV (d) AV/T (e) AV/(R+C) Problem 8 A capacitor is charged to potential difference V and then allowed to...
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QUESTION 9 Given F(S) = 1/(5+1X5+3)) the fit) would be: A. None of the choices are correct B. Exponentially increasing C. Since the roots of F(s) are real and distinct, the time response would be real and constant D. Exponentially decaying E. Sinusoidal QUESTION 10 If in an RC circuit, the capacitance is increased by 25% and the resistance, R. is decreased by 10%, the time constant, A. Will be decreased by 12% B. Will be increased by 36.5% C....
In the series RC circuit below, with R -6.1 k ohms& C 72.5 nF, at what angular frequency [rad/s] ...
In the series RC circuit below, with R -6.1 k ohms& C 72.5 nF, at what angular frequency [rad/s] does the capacitor AC voltage reduce to its DC value (accurate to 1%)? C output Answer: In the series RC circuit below, with R-1.2 k ohms & C 92.8 nF, calculate the magnitude of the voltage 'gain' of the circuit (Vout/ Vsl), for a driving frequency of 0.1 kHz, to 1% accuracy. Coutput Answer For a series RLC circuit as shown...
7 A circuit consists of a resistor of resistance R, and a capacitor of capacitance C, connected in series, and is described by the first order differential equation - + y = E where E is the constant e.m.f. and v is the voltage across the capacitor. Given that v(O) = 0, show by using the integrating factor method that v = E(1 - e-t/(RC))
C1 BAT Exercise 4: Find the effective capacitance of the circuit below. What is the potential across BAT 15 v 3 1053 AM 3/8/2019 s//moodle.potsdam.edu/pluginfile.php/482412/course/section/1 Exercise 3: Find the effective capacitance of the circuit below. What is the potential across each capacitor? How much charge is on each capacitor? C1 5 pF BAT Exercise 4: Find the effective capacitance of the circuit below, What is the each capácitor? How much charge is on each capacitor? ork4.pdf Exercise 1: Find the...
Background Summary Questions: 1. What does the time constant of an RC circuit that is being charged tell you? 2. What does the time constant of an RC circuit that is being discharged tell you? 3. How is the voltage across the capacitor related to the charge on a capacitor? (Linear, Inverse, Quadratic, etc.) 4. Based on your answer to question 3, how would you write an expression for the voltage across the capacitor as a function of time? a. Charging: V(t) b. Discharging: V(t)= Background: The...
Question 2 1 pts If two equal value capacitors (each of capacitance = C) are connected in series, the resulting capacitance will be: O2c Ос C/2 Question 3 1 pts If two equal value resistors (each of resistance = R) are connected in series, the resulting resistance will be: OR12 OR © 2R D Question 4 2 pts In an R-C Circuit, if the resistance is 20 Q and Capacitance is 5 pF. what will be the time constant? O...
с с с HHHE 0 0 0 2 Which combination will have the greatest equivalent capacitance? CA. 1 B. 2 C. 3 D. 4 HE A simple RC circuit is shown. When the switch is closed at what value time, t, does the charge on the capacitor reach its maximum value? A. t=0 B. t=1/RC C C. t RC CD. t=infinity R2 = 5012 w R4 = 4512 R3 = 30 12 w R = 7512 w R6 = 2012...
constant, find the power delivered to the wire 9-2 In the circuit on the right, find a. the equivalent resistance between points a and b b. the voltage across the 7 1-2 on resistor o c. the current in the 6 resistor d. the potential difference between points a and c, that is Ve-Va 3-n ㄟˋ 4o.oV
constant, find the power delivered to the wire 9-2 In the circuit on the right, find a. the equivalent resistance between points a...
ances 1. Using the exact exponential treatment, find how much time is required to charge an initially uncharged 142 pF capacitor through a 76 MA resistor to 90% of its final voltage. ta S la mo 1. A 590 n resistor, an uncharged 1.8 uF capacitor, and a 6.17 V emf are connected in series. А W R mp +9 E C -9 (a) What is the initial current? (0) = (b) What is the RC time constant T? T...
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