a) When a 8.00-V battery is connected to the plates of a capacitor, it stores a charge of 28.0 ?C. What is the value of the capacitance? ?F (b) If the same capacitor is connected to a 15.0-V battery, what charge is stored? ?C
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(a) When a 8.00-V battery is connected to the plates of a capacitor, it stores a charge of 28.0 ?C. What is the value of the capacitance?
?F
(b) If the same capacitor is connected to a 15.0-V battery, what charge is stored?
?C
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- A parallel-plate capacitor has capacitance 7.00 μF. (a) How much energy is stored in the capacitor if it is connected to a 21.00-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) When a battery is connected to the plates of a 4.00-pF capacitor, it stores a charge of 72.0 µC. What is the voitage of the battery? (b) If the same capacitor is connected to another battery and 36.0 µC of charge is stored on the capacitor, what is the voltage of the battery?(a) A teaching assistant connects a 8.00 V battery to the plates of a capacitor. After waiting a while, the capacitor reaches a maximum amount of 33.0 µC of stored charge. What is the value of the capacitance (in µF)? μF (b) The capacitor is disconnected from the battery, discharged, and then connected to a 20.0 V battery. Again, a long enough time is waited for the capacitor to fully charge. How much charge (in µC) is stored now? (Assume the capacitor can handle this new voltage without failing.) με
- (a) On a particular day, it takes 9.60×103 J of electric energy to start a truck’s engine. Calculate the capacitance of a capacitor that could store that amount of energy at 12.0 V.(b) What is unreasonable about this result? (c) Which assumptions are responsible?(a) On a particular day, it takes 9.60 × 103 J of electrical energy to start a truck’s engine. Calculate the capacitance of a capacitor that could store that amount of energy at 12.0 V. (b) What is unreasonable about this result? (c) Which assumptions are responsible?(a) How much charge is on each plate of a 6.00-μF capacitor when it is connected to a 11.0-V battery? με (b) If this same capacitor is connected to a 1.00-V battery, what charge is stored? μC
- (a) What is the energy (in J) stored in the 40.0 µF capacitor of a heart defibrillator charged to 8.90 x 103 v? (b) Find the amount of stored charge (in mC). mcIf you want to store 35 J of energy in a capacitor charged to 24 V , how do you determine the required capacitance?The force exerted by an electric charge at the origin on a charged particle at the point (x, y, z) with position Kr = (x, y, z) is F(F) = where K is constant. vector 7= 3' 171³ Assume K = 30. Find the work done as the particle moves along a straight line from (3,0,0) to (3,4,2).