A 6.0mF capacitor, with the plates oriented vertically, is charged to 20.0V. Assume that the negative...
A 6.0mF capacitor, with the plates oriented vertically, is charged to 20.0V. Assume that the negative electrode is at 0.0V, and the left plate is positively charged. The plate separation is 0.15mm.
a. If the left plate is positively charged, what are the magnitude and direction of the electric field between the plates?
b. The electron is released from rest. What is the kinetic energy (in Joules) of the electron when it reaches the positive plate?
c. What is the force (magnitude and direction) acting on the electron when it is midway between the negative and positive plates?
d. An electron is held at the negative plate, just inside the capacitor. What is the electron's e;electric potential energy at this point? The mass of the electron is 9.11x10^-31 kg and the magnitude of the charge is 1.6x10^-19C.
Homework Answers
Electric field between the plates of a charged capacitor and its effect on an electron there.
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A 6.0mF capacitor, with the plates oriented vertically, is
charged to 20.0V. Assume that the negative...
An electron is released from rest at the negative plate of a parallel plate capacitor and...
An electron is released from rest at the negative plate of a
parallel plate capacitor and accelerates to the positive plate (see
the drawing). The plates are separated by a distance of 1.7 cm, and
the electric field within the capacitor has a magnitude of 2.7 x
106 V/m. What is the kinetic energy of the electron just as it
reaches the positive plate? The figure shows a vertical plate on
the left that is negatively charged and another vertical...
Two 1m X 1m conducting plates are spaced 10cm apart and oriented horizontally ( each plate...
Two 1m X 1m conducting plates are spaced 10cm apart and oriented horizontally ( each plate is parallel to the floor). A 15V battery is connected to the plates with the positive terminal connected to the lower plate. 1) What is the electric field (magnitude and direction) between the plates? Explain 2) What is the total charge on the upper plate? (sign and magnitude) Explain. 3) What is the capacitance of the two plates? A proton is released midway between...
2. A capacitor of area A-6m2 and separation between plates, d-1mm , is charged with Q-...
2. A capacitor of area A-6m2 and separation between plates, d-1mm , is charged with Q- 5.31uC What is the potential difference between the plates? What is the electric potential at M if the negatively charged plate has a potential V- 20v If an electron is released from rest at point M, at what speed will it strike the positively charged plate? (mass of electron is me-9.11x1031kg) 0,4aM
An electron is released from rest at the negative plate of a parallel plate capacitor and...
An electron is released from rest at the negative plate of a parallel plate capacitor and accelerates to the positive plate (see the drawing). The plates are separated by a distance of 2.4 cm, and the electric field within the capacitor has a magnitude of 1.8 x 10% v/m. What is the kinetic energy of the electron just as it reaches the positive pliate? KEpositive- Electric ield Electron
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The separation distance between the two plates of a parallel plate capacitor is 2.00 cm. An electron is at rest near the negative plate. When it is released, it accelerates and reaches the positive plate with a kinetic energy of 7.80 ✕ 10−15 J. What is the magnitude of the electric field in the region between the plates of the capacitor?
8 Two parallel plates, each with a radius of 5.00 cm, spaced 2.50 mm part are...
8
Two parallel plates, each with a radius of 5.00 cm, spaced 2.50 mm part are charged until they have a uniform electric field with a magnitude of 43500 N/C between them. a) What is the charge on the capacitor plates? b) If we placed an electron at the surface of the negative plate and released it from rest, what would be the speed of the electron when it reaches the positive plate? (The mass of an electron is 9.11x10-31...
Two facing surfaces of two large parallel conducting plates separated by 12.0 cm have uniform surface...
Two facing surfaces of two large parallel conducting plates separated by 12.0 cm have uniform surface charge densities such that are equal in magnitude but opposite in sign. The difference in potential between the plates is 490 V. (a) Is the positive or the negative plate at the higher potential? O the pusitive plale O the negative plate (b) What is the magnitude of the electric field between the plates? kV/m (c) An electron is released from rest next to...
Two facing surfaces of two large parallel conducting plates separated by 8.5 cm have uniform surface...
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2) Consider two large, metal plates with equal and opposite charges as shown below: OV 300...
2) Consider two large, metal plates with equal and opposite charges as shown below: OV 300 V 3.0 mm 100 V 200 v a) Which plate, left or right, is the positively charged plate? How do you know? (1 pt) b) What is the magnitude and direction of the electric field at point A located halfway between the plates: y=0 m, x= 1.5mm? (2 pts) c) What is the magnitude and direction of the electric force felt by an electron...
An electron is released from rest at the negative plate of a parallel plate capacitor and...
An electron is released from rest at the negative plate of a parallel plate capacitor and accelerates to the positive plate. The plates are separated by a distance of 1.2 cm and the electric field within the capacitor has a magnitude of 2.1 * 10^6 V/m. What is the speed of the electron just as it reaches the positive plate?
An electron is released from rest at the negative plate of a
parallel plate capacitor and accelerates to the positive plate (see
the drawing). The plates are separated by a distance of 1.7 cm, and
the electric field within the capacitor has a magnitude of 2.7 x
106 V/m. What is the kinetic energy of the electron just as it
reaches the positive plate? The figure shows a vertical plate on
the left that is negatively charged and another vertical...
2. A capacitor of area A-6m2 and separation between plates, d-1mm , is charged with Q- 5.31uC What is the potential difference between the plates? What is the electric potential at M if the negatively charged plate has a potential V- 20v If an electron is released from rest at point M, at what speed will it strike the positively charged plate? (mass of electron is me-9.11x1031kg) 0,4aM
An electron is released from rest at the negative plate of a parallel plate capacitor and accelerates to the positive plate (see the drawing). The plates are separated by a distance of 2.4 cm, and the electric field within the capacitor has a magnitude of 1.8 x 10% v/m. What is the kinetic energy of the electron just as it reaches the positive pliate? KEpositive- Electric ield Electron
8
Two parallel plates, each with a radius of 5.00 cm, spaced 2.50 mm part are charged until they have a uniform electric field with a magnitude of 43500 N/C between them. a) What is the charge on the capacitor plates? b) If we placed an electron at the surface of the negative plate and released it from rest, what would be the speed of the electron when it reaches the positive plate? (The mass of an electron is 9.11x10-31...
Two facing surfaces of two large parallel conducting plates separated by 12.0 cm have uniform surface charge densities such that are equal in magnitude but opposite in sign. The difference in potential between the plates is 490 V. (a) Is the positive or the negative plate at the higher potential? O the pusitive plale O the negative plate (b) What is the magnitude of the electric field between the plates? kV/m (c) An electron is released from rest next to...
Two facing surfaces of two large parallel conducting plates separated by 8.5 cm have uniform surface charge densities such that are equal in magnitude but opposite in sign. The difference in potential between the plates is 440 V (a) Is the positive or the negative plate at the higher potential? the positive plate the negative plate (b) What is the magnitude of the electric field between the plates? 5.17 kV/mm (c) An electron is released from rest next to the...
2) Consider two large, metal plates with equal and opposite charges as shown below: OV 300 V 3.0 mm 100 V 200 v a) Which plate, left or right, is the positively charged plate? How do you know? (1 pt) b) What is the magnitude and direction of the electric field at point A located halfway between the plates: y=0 m, x= 1.5mm? (2 pts) c) What is the magnitude and direction of the electric force felt by an electron...
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