Electronics Quiz

What does TRIAC stand for?

• Triode for Alternating Current

• Triode for Alternating Current Circuit

• Triode for Automatic Current

• Triode for Amplifying Current

The gate terminal of a TRIAC is used for:

• Controlling the ON and OFF state

• Amplifying the signal

• Connecting to the load

• None of the above

Which of the following is a characteristic feature of a TRIAC?

• It can conduct current in one direction only

• It can conduct current in both directions

• It has only two terminals

• It is used only for DC circuits

A TRIAC is most commonly used in:

• DC motor control

• Amplification circuits

• AC power control applications

• Signal processing

Which of the following devices is similar to a TRIAC but only controls current in one direction?

• SCR (Silicon Controlled Rectifier)

• Diode

• Transistor

• Resistor

What happens when a TRIAC is triggered?

• It starts to conduct in both directions

• It stops conducting

• It conducts in one direction only

• It amplifies the signal

The TRIAC's ability to control power is determined by:

• The voltage applied to the gate

• The current through the load

• The temperature of the TRIAC

What does DIAC stand for?

• Diode for Alternating Current

• Diode for Automatic Current

• Diode for Amplifying Current

• Dual Alternating Current Switch

A DIAC is mainly used for:

• Controlling DC power

• Triggering TRIACs

• Amplifying signals

• Filtering noise

What type of device is a DIAC?

• Bidirectional
• Unidirectional

• Tridirectional