An LC circuit consists of a 3.4-µF capacitor and a coil with a self-inductance 0.080 H and no appreciable resistance. At t = 0 the capacitor has a charge of 5.4 µC and the current in the inductor is zero
(a) How long after t = 0 will the current in the circuit be maximum?
(b) What will be this maximum current?
What will be an ideal response?
Answer: (a) 0.82 ms (b) 10 mA
You might also like to view...
An alpha particle is:
a. any positively charged nucleus. c. a neutral helium atom. b. an X-ray. d. None of these choices.
If the rest wavelength of a certain line is 600 nm, but we observe it at 594 nm, then:
A) the source is approaching us at 1 % of the speed of light. B) the source is approaching us at 0.1 % of the speed of light. C) the source is receding from us at 10% of the speed of light. D) the source is getting 1% hotter as we watch. E) the source is spinning very rapidly, at 1% of the speed of light.
The seasonal polar caps which appear and disappear with the seasons on Mars are made of
A) methane ice B) carbon dioxide ice C) water ice D) a uniform mixture of water and carbon dioxide ices
As temperatures become large, the denominator in equation T4.41 becomes
A. very large. B. very small. C. approximately 1. D. approximately ?1