A charged capacitor is connected to an inductor. At time t = 0 ...

[corkyiscool3328]

A charged capacitor is connected to an inductor. At time t = 0 the charge on the capacitor is Q = 6C. At time t = 2 ms the charge on the capacitor is zero for the first time. What is the amplitude of the current at that same instant?
 
  A)
 
  2.38 mA
  B)
 
  4.71 mA
  C)
 
  0.78 mA
  D)
 
  1.53 mA
  E)
 
  1.19 mA

Question 2

Periodic waves with a period of 0.026 s travel along a rod at 1200 m/s. What is the wave number k of the waves?
 
  A)
 
  5.0 m-1
 
  B)
 
  31 m-1
 
  C)
 
  6.9 m-1
 
  D)
 
  0.20 m-1
 
  E)
 
  68 m-1

[blfontai]

Answer to Question 1

B

Answer to Question 2

D

[corkyiscool3328]

TYSM

[marict]

Gracias!