Recent content by greenday1260

  1. G

    LC Circuits with variable frequency

    Homework Statement A variable capacitor with a range from 10 pF to 420 pF is used with a coil to form a variable-frequency LC circuit to tune the input to a radio. (a) What ratio of maximum frequency to minimum frequency that can be obtained with such a capacitor? ANS:__________ (b)...
  2. G

    Calculate Copper Conductor Resistance with Varying Radius | 2m Length

    Resistivity of Copper= 1.69 * 10^-8 Ohm*meter
  3. G

    Calculate Copper Conductor Resistance with Varying Radius | 2m Length

    hi. did u try: R= (Resistivity)*[L/A] 1/Conductivity=Resistivity L=length of wire A= cross-sectional area of wire
  4. G

    Calculating Inductance for 10kHz Capacitor

    Homework Statement What inductance must be used with a 4.0 µF capacitor to produce a frequency of 10 kHz, which is near the middle of the audible range of frequencies? Homework Equations w = 2pi*f/C=1/(sqrt(T*C)) --->angular fequency T= 1/f The Attempt at a Solution T= 2pi/w...