26. Capacitors & Dielectrics
Capacitors & Capacitance
26. Capacitors & Dielectrics
Capacitors & Capacitance
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- Multiple ChoiceWhat is the potential across a capacitor that is storing of charge?939views
- 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 . What is the capacitance of the arrangement?746views
- Textbook Question
A 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?
640views - Textbook Question
What is the capacitance of the two metal spheres shown in FIGURE EX26.22?
68views - Textbook Question
Two 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. What are the charge on each electrode and the potential difference between them?
563views - Textbook Question
Two 3.0-cm-diameter aluminum electrodes are spaced 0.50 mm apart. The electrodes are connected to a 100 V battery. What is the capacitance?
526views - Multiple ChoiceIn the context of capacitors, what does the equation U = 1/2 Q ΔV represent?532views
- Multiple Choice
Consider an air-filled charged capacitor. Which of the following actions will increase its capacitance?
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