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?

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?

- One discharge period
- An exponential discharge rate of one
- A discharge factor of one
- One time constant

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

- It is unchanged
- The sign is reversed
- It is shifted by 90 degrees
- The susceptance phase angle is the inverse of the reactance phase angle

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

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

- It is unchanged
- The sign is reversed
- It is shifted by 90 degrees
- The magnitude of the susceptance is the reciprocal of the magnitude of the reactance

What is susceptance?

- The magnetic impedance of a circuit
- The ratio of magnetic field to electric field
- The inverse of reactance
- A measure of the efficiency of a transformer

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?

- 68.2 degrees with the voltage leading the current
- 14.0 degrees with the voltage leading the current
- 14.0 degrees with the voltage lagging the current
- 68.2 degrees with the voltage lagging the current

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?

- 14 degrees with the voltage lagging the current
- 14 degrees with the voltage leading the current
- 76 degrees with the voltage leading the current
- 76 degrees with the voltage lagging the current

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

- Voltage and current are in phase
- Voltage and current are 180 degrees out of phase
- Voltage leads current by 90 degrees
- Current leads voltage by 90 degrees

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

- Voltage leads current by 90 degrees
- Current leads voltage by 90 degrees
- Voltage and current are 180 degrees out of phase
- Voltage and current are in phase

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?

- 14 degrees with the voltage lagging the current
- 14 degrees with the voltage leading the current
- 76 degrees with the voltage lagging the current
- 76 degrees with the voltage leading the current

What is admittance?

- The inverse of impedance
- The term for the gain of a field effect transistor
- The turns ratio of a transformer
- The unit used for Q factor

What letter is commonly used to represent susceptance?