The battery is disconnected from a series RC circuit after the capacitor is fully charged and is replaced by an open switch. When the switch is closed,
A. the current through the resistor is always greater than the current through the capacitor.
B. the current through the resistor is always less than the current through the capacitor.
C. the current through the resistor is always equal to the current through the capacitor.
D. the capacitor does not allow current to pass.
E. the current stops in the resistor.
Answer: C
You might also like to view...
Matter Waves: An electron is accelerated from rest through a potential difference. After acceleration the electron has a wavelength of 880 nm. What is the potential difference responsible for the acceleration of the electron? (h = 6.626 × 10-34 J ? s, melectron = 9.11 × 10-31 kg, e = 1.6 10-19 C)
A. 1.9 × 10-6 V B. 1.7 × 10-6 V C. 2.2 × 10-6 V D. 2.5 × 10-6 V
A boat is floating in a small pond. The boat then sinks resting on the bottom, but the pond is so shallow that part of the boat is not submerged. What happens to the level of the pond?
A. It increases. B. It decreases. C. It stays the same. D. In some cases it would decrease, in others it would stay the same. E. In some cases it would increase, in others it would stay the same.
If a freely-falling object were somehow equipped with a speedometer, its speed reading would increase each second by about
A) 5 m/s. B) 10 m/s. C) 15 m/s. D) a variable amount.
In the double-slit experiment, the entire matter field or EM field instantaneously collapses to the single interaction point when the field interacts with the screen. This is an example of
A) quantum annihilation. B) quantum tunneling. C) quantum uncertainty. D) quantum interference. E) quantum nonlocality.