Additional capacitor do you need to produce a capacitance
You need a capacitance of 40 µF but you don't happen to have a 40 µF capacitor. You do have a 56 µF capacitor. What additional capacitor do you need to produce a total capacitance of 40 µF?
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A hollow, conducting sphere inner radius ra= 18cm and outer radius rb=24cm has a charge of -3.7n C is placed on the conducter. At the center of the sphere and insulated from the sphere is a point charge Q= +6.3nC A) Determine the electric Field v
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