E5B01:

What is the term for the time required for the capacitor in an RC circuit to be charged to 63.2% of the applied voltage?

  1. An exponential rate of one
  2. One time constant
  3. One exponential period
  4. A time factor of one

E5B02:

What is the term for the time it takes for a charged capacitor in an RC circuit to discharge to 36.8% of its initial voltage?

  1. One discharge period
  2. An exponential discharge rate of one
  3. A discharge factor of one
  4. One time constant

E5B03:

What happens to the phase angle of a reactance when it is converted to a susceptance?

  1. It is unchanged
  2. The sign is reversed
  3. It is shifted by 90 degrees
  4. The susceptance phase angle is the inverse of the reactance phase angle

E5B04:

What is the time constant of a circuit having two 220 microfarad capacitors and two 1 megohm resistors, all in parallel?

  1. 55 seconds
  2. 110 seconds
  3. 440 seconds
  4. 220 seconds

E5B05:

What happens to the magnitude of a reactance when it is converted to a susceptance?

  1. It is unchanged
  2. The sign is reversed
  3. It is shifted by 90 degrees
  4. The magnitude of the susceptance is the reciprocal of the magnitude of the reactance

E5B06:

What is susceptance?

  1. The magnetic impedance of a circuit
  2. The ratio of magnetic field to electric field
  3. The inverse of reactance
  4. A measure of the efficiency of a transformer

E5B07:

What is the phase angle between the voltage across and the current through a series RLC circuit if XC is 500 ohms, R is 1 kilohm, and XL is 250 ohms?

  1. 68.2 degrees with the voltage leading the current
  2. 14.0 degrees with the voltage leading the current
  3. 14.0 degrees with the voltage lagging the current
  4. 68.2 degrees with the voltage lagging the current

E5B08:

What is the phase angle between the voltage across and the current through a series RLC circuit if XC is 100 ohms, R is 100 ohms, and XL is 75 ohms?

  1. 14 degrees with the voltage lagging the current
  2. 14 degrees with the voltage leading the current
  3. 76 degrees with the voltage leading the current
  4. 76 degrees with the voltage lagging the current

E5B09:

What is the relationship between the current through a capacitor and the voltage across a capacitor?

  1. Voltage and current are in phase
  2. Voltage and current are 180 degrees out of phase
  3. Voltage leads current by 90 degrees
  4. Current leads voltage by 90 degrees

E5B10:

What is the relationship between the current through an inductor and the voltage across an inductor?

  1. Voltage leads current by 90 degrees
  2. Current leads voltage by 90 degrees
  3. Voltage and current are 180 degrees out of phase
  4. Voltage and current are in phase

E5B11:

What is the phase angle between the voltage across and the current through a series RLC circuit if XC is 25 ohms, R is 100 ohms, and XL is 50 ohms?

  1. 14 degrees with the voltage lagging the current
  2. 14 degrees with the voltage leading the current
  3. 76 degrees with the voltage lagging the current
  4. 76 degrees with the voltage leading the current

E5B12:

What is admittance?

  1. The inverse of impedance
  2. The term for the gain of a field effect transistor
  3. The turns ratio of a transformer
  4. The unit used for Q factor

E5B13:

What letter is commonly used to represent susceptance?

  1. G
  2. X
  3. Y
  4. B