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Last set

  1. Mar 1, 2004 #1
    19) An LC circuit consist of a 1 microFarad capacitor and a 4 mH inductor. Its oscillation frequency is approximately:

    21) Electrons are going around a circle in a counterclockwise direction. At the center of the circle they produce a magnetic field that is:

    Out of the page.

    23) the units of motional emf are

    a) volt/second
    b) volt meter/second
    c) volt/tesla
    d) tesla/second
    e) tesla meter squared/second

    24) two parallel wires, 4 cm apart, carry currents of 2 A and 4 A respectively, in opposite directions. the force per unit length in N/m of one wire on the other is

    a) 10^-3 repulsive]
    b) 10^-3 attractive
    c) 4x10^-5 replusive
    d) " attractive
    e) none

    26 Units of magnetic field might be?

    a) C m/s
    b) C s/m
    c) C/kg
    d) kg/C s
    e) N/C m

    Thanks again
  2. jcsd
  3. Mar 1, 2004 #2
    [tex] f= \frac{1}{\sqrt{LC}}[/tex]
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