Homework Answers
I have attached three scanned sheets of solution for this question.
Capacity is calculated using formula 1 for the first case and using formula 2 when slab is inserted. Formula 2 I have used directly but if u want the derivation of the formula then I can produce it.
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Examn Room P102_Index: Student ID Number: Signature: 4- (25 pts) A paralel-plate capacitor is constructed from...
A capacitor is constructed from two square, metallic plates of sides land separation d. Charges +Qand-Q...
A capacitor is constructed from two square, metallic plates of sides land separation d. Charges +Qand-Q are placed on the plates, and the power supply is then removed. A material of dielectric constant x is inserted a distance x into the capacitor as shown in the figure below. Assume d is much smaller than x. Suggestion: The system can be considered as two capacitors connected in parallel. (Use the following as necessary: 80, X, 1, Q. d, and x.) +...
Having trouble setting the formula up for this question, how do I get the Area if...
Having trouble setting the formula up for this question, how do
I get the Area if the width is not given?
A capacitor is constructed from two square, metallic plates of sides ! and separation d. Charges +Q and -Q are placed on the plates, and the power supply is then removed. A material of dielectric constant K is inserted a distance x into the capacitor as shown in the figure below. Assume d is much smaller than x. Suggestion:...
Problem 5 (16 +8 Points) A parallel plate capacitor biased under a constant voltage Vo is...
Problem 5 (16 +8 Points) A parallel plate capacitor biased under a constant voltage Vo is shown in the figure below. Two parallel plates are separated by a distance of d and filled with a medium whose permittivity is ε,-ε-The parallel plates have a height of h and a width of t not shown in the figure). A dielectric slab with a thickness of d/3 is inserted in between the two parallel plates. The dielectric slab has a permittivity of...
A parallel-plate capacitor of capacitance Co, plate area A, spacing d is charged to voltage V....
A parallel-plate capacitor of capacitance Co, plate area A, spacing d is charged to voltage V. and then disconnected from the charging battery. A slab with dielectric constant K and thickness d/2 is thrust into the capacitor, as shown in the figure below; the slab is exactly halfway between the plates. к (a) What is the new capacitance in terms of Co? (b) What is the ratio of the stored energy before to that after the slab is inserted (U/0.)?...
A capacitor is constructed from two square plates of sides e and separation d. A material...
A capacitor is constructed from two square plates of sides e and separation d. A material of dielectric constant K is inserted a distance r into the capacitor, as shown in above. Assume that d is much smaller than x. Which of the followings is the magnitude of the force exerted on the dielectric, assuming a constant potential difference AV? (Ignore friction) Your answer: -x[(AV)2 +Kxe] B) EoX[AV]2 xx(x - 1) 2d E x[ơ +K- 1)xe le-d2 x[dº +K- 1)x...
3. (35 pts) A parallel plate capacio The capacitor is charged ates of area A with...
3. (35 pts) A parallel plate capacio The capacitor is charged ates of area A with separaton d beten then the source. The plates are then capacitance and potential diffence betwer the plates after in ai as plaeyo and etal ifence of Vo and disconnected without discharge from n immersed inan insulating liquid of dielectric constant k. Find the immersion.
The plates of a parallel plate capacitor are 4 cm wide and 7 cm long. The...
The plates of a parallel plate capacitor are 4 cm wide and 7 cm long. The plates are separated by a 1.7-mm-thick layer of paper. a)Calculate the capacitance of the device (in pF) using the dielectric constant of paper b)Any dielectric material other than a vacuum has a maximum electric field that can be generated in the dielectric material before it physically or chemically breaks down and begins to conduct. This maximum electric field is called dielectric strength. The dielectric...
Constant Part E A paralel plate capacitor with plate area A-40 m2 and plate separation d...
Constant Part E A paralel plate capacitor with plate area A-40 m2 and plate separation d - 3.0 mm is connected to a 35-V battery refer to Figure 130 With the capacitor still connected to the battery a slab of plastic with dielectric strength K.32 is placed between the plates of the capacitor, so that the gap is completely filled with the dielectric refer to figure 2) What are the new value of electric field in the capacitor? Express your...
1 A capacitor is constructed from a pair of thin square plates of side-width (i.e. Area...
1 A capacitor is constructed from a pair of thin square plates of side-width (i.e. Area - P and separation 3d. Let's assume 3d<<I. A solid square conducting plate of thickness d with the same side-width I (i.e. Area -P) is inserted between the plates as shown below. Charge+0 is supplied on the top plate and -0 is supplied on the bottom plate. What is the electric field E between the conductors? (Express E by Q, d, l and &)...
An air-insulated parallel-plate capacitor of capacitance Co is charged to voltage Vo and then disconnected from...
An air-insulated parallel-plate capacitor of capacitance Co is charged to voltage Vo and then disconnected from the charging battery A slab of material with dielectric constant K whose thickness is essentially equal to the capacitor spacing is then inserted halfway into the capacitor (See the figure (Figure 1).) Part Determine the force on the slab in terms of Co, V, K, and the capacitor-plate length L IVO ΑΣΦ 8 ene * iu Figure Potºx Φ Ψ Ω και Δ Σ...
A capacitor is constructed from two square, metallic plates of sides land separation d. Charges +Qand-Q are placed on the plates, and the power supply is then removed. A material of dielectric constant x is inserted a distance x into the capacitor as shown in the figure below. Assume d is much smaller than x. Suggestion: The system can be considered as two capacitors connected in parallel. (Use the following as necessary: 80, X, 1, Q. d, and x.) +...
Having trouble setting the formula up for this question, how do
I get the Area if the width is not given?
A capacitor is constructed from two square, metallic plates of sides ! and separation d. Charges +Q and -Q are placed on the plates, and the power supply is then removed. A material of dielectric constant K is inserted a distance x into the capacitor as shown in the figure below. Assume d is much smaller than x. Suggestion:...
Problem 5 (16 +8 Points) A parallel plate capacitor biased under a constant voltage Vo is shown in the figure below. Two parallel plates are separated by a distance of d and filled with a medium whose permittivity is ε,-ε-The parallel plates have a height of h and a width of t not shown in the figure). A dielectric slab with a thickness of d/3 is inserted in between the two parallel plates. The dielectric slab has a permittivity of...
A parallel-plate capacitor of capacitance Co, plate area A, spacing d is charged to voltage V. and then disconnected from the charging battery. A slab with dielectric constant K and thickness d/2 is thrust into the capacitor, as shown in the figure below; the slab is exactly halfway between the plates. к (a) What is the new capacitance in terms of Co? (b) What is the ratio of the stored energy before to that after the slab is inserted (U/0.)?...
A capacitor is constructed from two square plates of sides e and separation d. A material of dielectric constant K is inserted a distance r into the capacitor, as shown in above. Assume that d is much smaller than x. Which of the followings is the magnitude of the force exerted on the dielectric, assuming a constant potential difference AV? (Ignore friction) Your answer: -x[(AV)2 +Kxe] B) EoX[AV]2 xx(x - 1) 2d E x[ơ +K- 1)xe le-d2 x[dº +K- 1)x...
3. (35 pts) A parallel plate capacio The capacitor is charged ates of area A with separaton d beten then the source. The plates are then capacitance and potential diffence betwer the plates after in ai as plaeyo and etal ifence of Vo and disconnected without discharge from n immersed inan insulating liquid of dielectric constant k. Find the immersion.
Constant Part E A paralel plate capacitor with plate area A-40 m2 and plate separation d - 3.0 mm is connected to a 35-V battery refer to Figure 130 With the capacitor still connected to the battery a slab of plastic with dielectric strength K.32 is placed between the plates of the capacitor, so that the gap is completely filled with the dielectric refer to figure 2) What are the new value of electric field in the capacitor? Express your...
1 A capacitor is constructed from a pair of thin square plates of side-width (i.e. Area - P and separation 3d. Let's assume 3d<<I. A solid square conducting plate of thickness d with the same side-width I (i.e. Area -P) is inserted between the plates as shown below. Charge+0 is supplied on the top plate and -0 is supplied on the bottom plate. What is the electric field E between the conductors? (Express E by Q, d, l and &)...
An air-insulated parallel-plate capacitor of capacitance Co is charged to voltage Vo and then disconnected from the charging battery A slab of material with dielectric constant K whose thickness is essentially equal to the capacitor spacing is then inserted halfway into the capacitor (See the figure (Figure 1).) Part Determine the force on the slab in terms of Co, V, K, and the capacitor-plate length L IVO ΑΣΦ 8 ene * iu Figure Potºx Φ Ψ Ω και Δ Σ...
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