A series RC circuit has a time constant of 0.900 s. The battery has an emf of 24.0 V, and the maximum current in the circuit is 0.500 mA.What is the charge stored in the capacitor 2.00 s after the switch is closed?
a. 401 ?C
b. 18.8 ?C
c. 108 ?C
d. 450 ?C
a
You might also like to view...
Why would a person be torn apart as he fell feet first into a black hole?
A. Because of the rotation of the black hole. B. because the force on his feet would be much greater than the force on his head. C. Time is distorted so that by the time the light from his feet reached his eyes, years would have elapsed. D. Because of the force of friction. E. Because he would be traveling at the speed of light.
The Moon's lower density indicates it has a smaller concentration of iron in its core, as does the absence of a lunar magnetic field
Indicate whether the statement is true or false
Two horizontal curves on a bobsled run are banked at the same angle, but one has twice the radius of the other. The safe speed (for which no friction is needed to stay on the run) for the smaller radius curve is v
What is the safe speed on the larger-radius curve? A) v / B) 2v C) v D) v/2
The shear velocity in the 60-mm-diameter horizontal water pipe of Problem 2 is nearest:
(A) 0.031 m/s (B) 0.024 m/s (C) 0.019 m/s (D) 0.017 m/s