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
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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.
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