03:08Capacitors Explained - The basics how capacitors work working principleThe Engineering Mindset568views
Multiple ChoiceWhat is the potential across a 47μF capacitor that is storing 16μC of charge?238views
Multiple ChoiceTwo pieces of metal are connected to one another by a plastic rod. A student finds that when one has a charge of 12 nC, and the other has a charge of -12 nC, the potential difference between them is 45V. What is the capacitance of the arrangement?260views
Textbook QuestionA switch that connects a battery to a 10 μF capacitor is closed. Several seconds later you find that the capacitor plates are charged to ±30 μC. What is the emf of the battery?101viewsHas a video solution.
Textbook QuestionThe 300 μF capacitor in FIGURE P30.75 is initially charged to 100 V, the 1200 μF capacitor is uncharged, and the switches are both open.<IMAGE>a. What is the maximum voltage to which you can charge the 1200 μF capacitor by the proper closing and opening of the two switches?28viewsHas a video solution.
Textbook QuestionTwo 2.0 cm×2.0 cm metal electrodes are spaced 1.0 mm apart and connected by wires to the terminals of a 9.0 V battery.a. What are the charge on each electrode and the potential difference between them?17viewsHas a video solution.
Textbook QuestionTwo 3.0-cm-diameter aluminum electrodes are spaced 0.50 mm apart. The electrodes are connected to a 100 V battery.a. What is the capacitance?29viewsHas a video solution.
Textbook QuestionTwo 3.0-cm-diameter aluminum electrodes are spaced 0.50 mm apart. The electrodes are connected to a 100 V battery.b. What is the magnitude of the charge on each electrode?18viewsHas a video solution.
Textbook Question(II) A cylindrical capacitor (Example 24–2) has Rₐ = 3.5 mm and R₆.= 0.50 mm. The two conductors have a potential difference of 625 V, with the inner conductor at the higher potential.(c) Calculate the electric field at the surface of the inner conductor.20viewsHas a video solution.
Textbook Question(II) How strong is the electric field between the plates of a 0.80-μF air-gap capacitor if they are 2.0 mm apart and each has a charge of magnitude 84-μC?14viewsHas a video solution.
Textbook QuestionThe long cylindrical capacitor shown in Fig. 24–37 consists of four concentric cylinders, with respective radii Ra, R₆ , R꜀ and Rₔ. The cylinders b and c are joined by metal strips. Determine the capacitance per unit length of this arrangement. (Assume equal and opposite charges are placed on the innermost and outermost cylinders.)<IMAGE>20viewsHas a video solution.