Topic T6A Quick Review Audio

T6A01:

What electrical component opposes the flow of current in a DC circuit?

  1. Inductor
  2. Resistor
  3. Voltmeter
  4. Transformer

T6A02:

What type of component is often used as an adjustable volume control?

  1. Fixed resistor
  2. Power resistor
  3. Potentiometer
  4. Transformer

T6A03:

What electrical parameter is controlled by a potentiometer?

  1. Inductance
  2. Resistance
  3. Capacitance
  4. Field strength

T6A04:

What electrical component stores energy in an electric field?

  1. Resistor
  2. Capacitor
  3. Inductor
  4. Diode

T6A05:

What type of electrical component consists of two or more conductive surfaces separated by an insulator?

  1. Resistor
  2. Potentiometer
  3. Oscillator
  4. Capacitor

T6A06:

What type of electrical component stores energy in a magnetic field?

  1. Resistor
  2. Capacitor
  3. Inductor
  4. Diode

T6A07:

What electrical component usually is constructed as a coil of wire?

  1. Switch
  2. Capacitor
  3. Diode
  4. Inductor

T6A08:

What electrical component is used to connect or disconnect electrical circuits?

  1. Magnetron
  2. Switch
  3. Thermistor
  4. All of these choices are correct

T6A09:

What electrical component is used to protect other circuit components from current overloads?

  1. Fuse
  2. Capacitor
  3. Inductor
  4. All of these choices are correct

T6A10:

Which of the following battery types is rechargeable?

  1. Nickel-metal hydride
  2. Lithium-ion
  3. Lead-acid gel-cell
  4. All of these choices are correct

T6A11:

Which of the following battery types is not rechargeable?

  1. Nickel-cadmium
  2. Carbon-zinc
  3. Lead-acid
  4. Lithium-ion