1. Calculate the work done by a 8.5-V battery as it charges a 7.5-μF capacitor in...
1.
Calculate the work done by a 8.5-V battery as it charges a 7.5-μF capacitor in the flash unit of a camera.
Express your answer using two significant figures. W=?? μJ
2.
Find the electric energy density between the plates of a 225-μF parallel-plate capacitor. The potential difference between the plates is 360 V , and the plate separation is 0.261 mm . uE= ?? Jm^3
Homework Answers
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1.
Calculate the work done by a 8.5-V battery as it charges a
7.5-μF capacitor in...
Find the electric energy density between the plates of a 225-μF parallel-plate capacitor. The potential difference...
Find the electric energy density between the plates of a 225-μF parallel-plate capacitor. The potential difference between the plates is 305 V , and the plate separation is 0.250 mm .
Find the electric energy density between the plates of a 225-μF parallel-plate capacitor. The potential difference...
Find the electric energy density between the plates of a 225-μF parallel-plate capacitor. The potential difference between the plates is 390 V , and the plate separation is 0.225 mm . Answer in J/m3.
A parallel-plate capacitor has capacitance 1.00 μF. (a) How much energy is stored in the capacitor...
A parallel-plate capacitor has capacitance 1.00 μF. (a) How much energy is stored in the capacitor if it is connected to a 7.00-V battery? μJ (b) If the battery is disconnected and the distance between the charged plates doubled, what is the energy stored? μJ (c) The battery is subsequently reattached to the capacitor, but the plate separation remains as in part (b). How much energy is stored? μJ
A parallel-plate capacitor has capacitance 3.50 μF. (a) How much energy is stored in the capacitor...
A parallel-plate capacitor has capacitance 3.50 μF. (a) How much energy is stored in the capacitor if it is connected to a 3.00-V battery? Incorrect: Your answer is incorrect. μJ (b) If the battery is disconnected and the distance between the charged plates doubled, what is the energy stored? μJ (c) The battery is subsequently reattached to the capacitor, but the plate separation remains as in part (b). How much energy is stored? μJ
A parallel-plate capacitor has capacitance 5.20 μF. The capacitor was origionaly connected to a 1.50 V...
A parallel-plate capacitor has capacitance 5.20 μF. The capacitor was origionaly connected to a 1.50 V battery? (b) If the battery is disconnected and the distance between the charged plates doubled, what is the energy stored? Note: When disconnected, the charge on the capacitor must remain the same as when disconnected. A parallel-plate capacitor has capacitance 5.20 μF. The capacitor was origionaly connected to a 1.50 V battery? (c) The battery is subsequently reattached to the capacitor, but the plate...
A 2.0 μF parallel-plate air-filled capacitor is connected across a 10 V battery. (a) Determine the...
A 2.0 μF parallel-plate air-filled capacitor is connected across a 10 V battery. (a) Determine the charge on the capacitor and the energy stored in the capacitor. (b) An identical 2.0 μF parallel-plate air-filled capacitor is connected across a 5 V battery, and a dielectric slab with dielectric constant κ is inserted between the plates of the capacitor, completely filling the region between the plates, while the battery remains connected. The energy stored in this capacitor is four times that...
If you connect the terminals of a plate capacitor to a 9-V battery it charges with...
If you connect the terminals of a plate capacitor to a 9-V battery it charges with 278 nC. The separation distance between the capacitor plates is 1.1 mm, and the plates are isolated by a dielectric material between the plates with a dielectric constant 4.6. The area of the plates is m(enter a decimal number rounded to the two digits after the decimal point)
An empty parallel plate capacitor is connected between the terminals of a 7.5-V battery and charged...
An empty parallel plate capacitor is connected between the terminals of a 7.5-V battery and charged up. The capacitor is then disconnected from the battery, and the spacing between the capacitor plates is quadrupled. As a result of this change, what is the new voltage between the plates of the capacitor?
A parallel plate capacitor has a capacitance of 8.5 μF when filled with a dielectric. The...
A parallel plate capacitor has a capacitance of 8.5 μF when filled with a dielectric. The area of each plate is 1.9 m2 and the separation between the plates is 1.2 x 10-5 m. What is the dielectric constant of the dielectric?
(17) A 5.90 μF , parallel-plate, air capacitor has a plate separation of 3.90 mm and...
(17) A 5.90 μF , parallel-plate, air capacitor has a plate separation of 3.90 mm and is charged to a potential difference of 390 V A) Calculate the energy density in the region between the plates.
If you connect the terminals of a plate capacitor to a 9-V battery it charges with 278 nC. The separation distance between the capacitor plates is 1.1 mm, and the plates are isolated by a dielectric material between the plates with a dielectric constant 4.6. The area of the plates is m(enter a decimal number rounded to the two digits after the decimal point)
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