Chapter 18. Charge, voltage, and capacitance for a capacitor (17-14)

Question

xRKYhIITIyhBfc8tgqtNmup0/rJbXnrgDewKiWtfzzJaWK59p6psv8Hz3u8EGDz16672/Fyf/DGyms6yAMh5SSWnRUpPKYg2lFJNX/Yv8hj9ZkqFIw8/it5gzJRBJzobPRO7gFIlByFu0BO9

{"title":"A capacitor carries a charge +q on its positive plate and a charge −q on its negative plate.","description":"Correct!","type":"correct","color":"#99CCFF","code":"[{\"shape\":\"poly\",\"coords\":\"82,133\"},{\"shape\":\"rect\",\"coords\":\"10,16,12,16\"},{\"shape\":\"poly\",\"coords\":\"144,22\"},{\"shape\":\"rect\",\"coords\":\"1,21,36,66\"}]"} {"title":"The magnitude of q is directly proportional to V, the voltage (potential difference) between the plates.","description":"Wrong","type":"incorrect","color":"#ffcc00","code":"[{\"shape\":\"rect\",\"coords\":\"145,6,182,54\"}]"} {"title":"The constant of proportionality between charge q and voltage V is the capacitance C of the capacitor.","description":"Incorrect","type":"incorrect","color":"#333300","code":"[{\"shape\":\"rect\",\"coords\":\"98,6,141,52\"}]"}

Question

dmvYIxFx8Zo4+9XEPQjroK4pdX+SsldCnzf7qEG37Uni7ZqYnrqIroYfUSXPXycjoMtHKXZ/lSMG6H+LS9qc5dWtdOunbe0FVnmgRYfUqnHe5Ael1yGTgTQ3Vr9cU0ylSySz7hkvVK/YtJaGxm9S9GjCFmg=

{"title":"A capacitor carries a charge +q on its positive plate and a charge −q on its negative plate.","description":"Wrong","type":"incorrect","color":"#99CCFF","code":"[{\"shape\":\"poly\",\"coords\":\"82,133\"},{\"shape\":\"rect\",\"coords\":\"10,16,12,16\"},{\"shape\":\"poly\",\"coords\":\"144,22\"},{\"shape\":\"rect\",\"coords\":\"1,21,36,66\"}]"} {"title":"The magnitude of q is directly proportional to V, the voltage (potential difference) between the plates.","description":"Correct!","type":"correct","color":"#ffcc00","code":"[{\"shape\":\"rect\",\"coords\":\"145,6,182,54\"}]"} {"title":"The constant of proportionality between charge q and voltage V is the capacitance C of the capacitor.","description":"Incorrect","type":"incorrect","color":"#333300","code":"[{\"shape\":\"rect\",\"coords\":\"98,6,141,52\"}]"}

Question

OYdCyKtMCHS3zp005KJZl9+bMlJZsu8iWkwG2TbmAiQGhdfemCriwfD7rIleyVOq6IdVktNYe5Q1cGKd/GLmSSTC4LZS2VyWdTh9UEm7wINxQ3d6o9RSkfw3s7qq3UkPyiMEcRwwBzHDzhR4zzKmqxjVJQlYMlC/

{"title":"A capacitor carries a charge +q on its positive plate and a charge −q on its negative plate.","description":"Wrong","type":"incorrect","color":"#99CCFF","code":"[{\"shape\":\"poly\",\"coords\":\"82,133\"},{\"shape\":\"rect\",\"coords\":\"10,16,12,16\"},{\"shape\":\"poly\",\"coords\":\"144,22\"},{\"shape\":\"rect\",\"coords\":\"1,21,36,66\"}]"} {"title":"The magnitude of q is directly proportional to V, the voltage (potential difference) between the plates.","description":"Wrong","type":"incorrect","color":"#ffcc00","code":"[{\"shape\":\"rect\",\"coords\":\"145,6,182,54\"}]"} {"title":"The constant of proportionality between charge q and voltage V is the capacitance C of the capacitor.","description":"Correct!","type":"correct","color":"#333300","code":"[{\"shape\":\"rect\",\"coords\":\"98,6,141,52\"}]"}

Review

Let’s apply Kirchhoff's loop rule to the circuit shown in Figure 18-17b. In Section 17-5 we found that the magnitude of the charge \(q\) on the capacitor plates is proportional to the voltage \(V\) across the capacitor: