An ideal parallel-plate capacitor has a uniform electric field between the plates, zero field outside. By superposition, half the field strength is due to one plate and half due to the other. Part A: The plates of a parallel-plate capacitor are oppositely charged and attract each other. Find the expression for the force one plate exerts on the other. (Express your answer in terms of the variables , , and .)Part B: What is the attractive force on each plate of a 150 capacitor with a 3.0 plate spacing when charged to 1000 ? |
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A parallel-plate air-filled capacitor having area 31 cm2 and plate spacing 3.0 mm is charged to a potential difference of 400 V. Find the following values. (a) the capacitance pF (b) the magnitude of the charge on each plate nC (c) the stored energy μJ (d) the electric field between the plates V/m (e) the energy density between the plates J/m3
Two 2.00 cmcm ×× 2.00 cmcm plates that form a parallel-plate capacitor are charged to ±± 0.708 nCnC . What is the electric field strength inside the capacitor if the spacing between the plates is 1.10 mm ? What is potential difference across the capacitor if the spacing between the plates is 1.10 mm ? What is the electric field strength inside the capacitor if the spacing between the plates is 2.20 mm ? What is the potential difference across...
Two 2.30 cm × 2.30 cm plates that form a parallel-plate capacitor are charged to ± 0.708 nC . A.)What is the electric field strength inside the capacitor if the spacing between the plates is 1.40 mm ? B.)What is potential difference across the capacitor if the spacing between the plates is 1.40 mm ? C.)What is the electric field strength inside the capacitor if the spacing between the plates is 2.80 mm ? D.)What is the potential difference across...
Two 2.50 cm × 2.50 cm plates that form a parallel-plate capacitor are charged to ± 0.708 nC . Part A What is the electric field strength inside the capacitor if the spacing between the plates is 1.40 mm ? Express your answer with the appropriate units. E E = nothingnothing SubmitRequest Answer Part B What is potential difference across the capacitor if the spacing between the plates is 1.40 mm ? Express your answer with the appropriate units.
Two 2.70 cm × 2.70 cm plates that form a parallel-plate capacitor are charged to ± 0.708 nC. What is the electric field strength inside the capacitor if the spacing between the plates is 1.50 mm?
Two large, parallel, metal plates are charged so as to create a uniform electric field between them. The plates are squares and each edge is 1.0 meter long. One plate is given a net electrical charge of +0.17708 nano-Coulomb and it is located to the left of the center of the space between the plates. The other plate is charged oppositely to -0.17708 nano-Coulomb and it is located to the right of center. The plates are separated by some distance...
PART A What property of objects is best measured by their capacitance? a)ability to conduct electric current b)ability to distort an external electrostatic field c)ability to store charge Part B Assume that charge ?q is placed on the top plate, and +q is placed on the bottom plate. What is the magnitude of the electric field E between the plates? Express E in terms of q and other quantities given in the introduction, in addition to ?0 and any other...
QUESTION 6 What happens to the electric field in the capacitor as the charge, Q, stored in it increases? The field increases as Q. The field decreases as 1/Q. The field increases as Q2. The field decreases as 17Q2. QUESTION 7 A parallel plate capacitor Creates an electric field by pulling electrons off of atoms in the air Creates a uniform electric field between two oppositely charged plates Creates a uniform electric field between two plates with the same sign...
A 3.0 cm x 3.0 cm parallel-plate capacitor has a 2.0 mm spacing. The electric field strength inside the capacitor is 1.5x105 V/m.Part A What is the potential difference across the capacitor? Part B How much charge is on each plate?
A parallel-plate air-filled capacitor having area 44 cm2 and plate spacing 5.0 mm is charged to a potential difference of 850 V. Find the following values. (a) the capacitance (pF) (b) the magnitude of the charge on each plate (nC) (c) the stored energy (μJ) (d) the electric field between the plates (V/m) (e) the energy density between the plates (J/m3)