15. It is occasionally uscful to connect capacitors in parallel or series to secure larger or smaller capacitance. There are capacitors capacitance of C,=1 µF and C2=5 µF, but capacitors with other capacitance are needed. Please draw the collection in many with figures , capacitors (C, or C2) and what physics formula you used clearly. (a) 6 µF; (b) 2.5µF. indicate which

15. It is occasionally uscful to connect capacitors in parallel or series to secure larger or smaller capacitance. There are capacitors capacitance of C,=1 µF and C2=5 µF, but capacitors with other capacitance are needed. Please draw the collection in many with figures , capacitors (C, or C2) and what physics formula you used clearly. (a) 6 µF; (b) 2.5µF. indicate which

University Physics Volume 2

18th Edition

ISBN:9781938168161

Author:OpenStax

Publisher:OpenStax

Chapter8: Capacitance

Section: Chapter Questions

Problem 34P: Suppose you need a capacitor bank with a total capacitance of 0.750 F but you have only 1.50-mF...

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Check Your Understanding The radius of the outer sphere of a spherical capacitor is five times the radius of its inner shell. What are the dimensions of this capacitor if its capacitance is 5.00 pF?
, An empty parallel-plate capacitor has a capacitance of 20F . How much charge must leak off its plates before the voltage across them is reduced by 100 V?
Suppose that the capacitance of a variable capacitor can be manually changed from 100 pF to 800 pF by turning a dial, connected to one set of plates by a shaft from 0° to 180°. With the dial set at 180° (corresponding to C — 800 pF), the capacitor is connected to a 500-V source. After charging, the capacitor is disconnected from the source, and the dial is turned to 0°. If friction is negligible, how much work is required to turn the dial from 180° to 0°?
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What total capacitances can yon make by connecting a 5.00F and a 8.00F capacitor?
Does the capacitance of a device depend on the applied voltage? What about the charge stored in it?
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