Topic T5C Quick Review Audio

T5C01:

What is the ability to store energy in an electric field called?

  1. Inductance
  2. Resistance
  3. Tolerance
  4. Capacitance

T5C02:

What is the basic unit of capacitance?

  1. The farad
  2. The ohm
  3. The volt
  4. The henry

T5C03:

What is the ability to store energy in a magnetic field called?

  1. Admittance
  2. Capacitance
  3. Resistance
  4. Inductance

T5C04:

What is the basic unit of inductance?

  1. The coulomb
  2. The farad
  3. The henry
  4. The ohm

T5C05:

What is the unit of frequency?

  1. Hertz
  2. Henry
  3. Farad
  4. Tesla

T5C06:

What does the abbreviation "RF" refer to?

  1. Radio frequency signals of all types
  2. The resonant frequency of a tuned circuit
  3. The real frequency transmitted as opposed to the apparent frequency
  4. Reflective force in antenna transmission lines

T5C07:

A radio wave is made up of what type of energy?

  1. Pressure
  2. Electromagnetic
  3. Gravity
  4. Thermal

T5C08:

What is the formula used to calculate electrical power in a DC circuit?

  1. Power (P) equals voltage (E) multiplied by current (I)
  2. Power (P) equals voltage (E) divided by current (I)
  3. Power (P) equals voltage (E) minus current (I)
  4. Power (P) equals voltage (E) plus current (I)

T5C09:

How much power is being used in a circuit when the applied voltage is 13.8 volts DC and the current is 10 amperes?

  1. 138 watts
  2. 0.7 watts
  3. 23.8 watts
  4. 3.8 watts

T5C10:

How much power is being used in a circuit when the applied voltage is 12 volts DC and the current is 2.5 amperes?

  1. 4.8 watts
  2. 30 watts
  3. 14.5 watts
  4. 0.208 watts

T5C11:

How many amperes are flowing in a circuit when the applied voltage is 12 volts DC and the load is 120 watts?

  1. 0.1 amperes
  2. 10 amperes
  3. 12 amperes
  4. 132 amperes

T5C12:

What is impedance?

  1. A measure of the opposition to AC current flow in a circuit
  2. The inverse of resistance
  3. The Q or Quality Factor of a component
  4. The power handling capability of a component

T5C13:

What is a unit of impedance?

  1. Volts
  2. Amperes
  3. Coulombs
  4. Ohms

T5C14:

What is the proper abbreviation for megahertz?

  1. mHz
  2. mhZ
  3. Mhz
  4. MHz