Electrical Components Quiz

What electrical component is used to convert alternating current to pulsating direct current?

• Transformer

• Rectifier/Diode

• Capacitor

• Resistor

What are the two most common materials used as the base material in semiconductor components?

• Copper/Zinc

• Aluminum/Oxygen

• Germanium/Silicon

• Lead/Tin

What is the polarity of a diode's anode?

• Negative

• Neutral

• Positive

• Variable

What is the polarity of a diode's cathode?

• Positive

• Neutral

• Negative

• Variable

What is it called when a diode is connected into an electrical circuit so it will conduct current?

• Reverse

• Blocked

• Forward

• Open

What is it called when a diode is connected into an electrical circuit so it will block current?

• Forward

• Open

• Reverse

• Closed

What is another name for a diode?

• Transistor

• Rectifier

• Inductor

• Converter

If you connect the red lead of an ohmmeter to the anode of a diode and the black lead to the cathode, what should the meter read?

• High resistance

• Infinite resistance

• 0

• Low resistance

If you connect the red lead of an ohmmeter to the cathode of a diode and the black lead to the anode, what should the meter read?

• High resistance

• Infinite resistance

• 0

• Low resistance

What is the problem with the diode if the ohmmeter reads very low or zero resistance in both directions?

• Open

• Short

• Correct functioning

• Partial block