Thyristors - Practice Questions

Question 1

The ________ can conduct current in either direction and is turned on when a breakover voltage is exceeded.

Accepted Answer

Question 2

The ________ is like a diac with a gate terminal.

Accepted Answer

Question 3

The SCS is turned on with the cathode gate, and turned off with the anode gate.

Accepted Answer

Question 4

The triac is similar to an SCR, but it provides conduction for both halves of the ac wave.

Accepted Answer

Question 5

You have a need to use a device to trigger an SCR. A good one to use might be

Accepted Answer

Question 6

The SCR is a device that can be triggered off by a pulse applied to the gate.

Accepted Answer

Question 7

You have the schematic diagram of several types of circuits. Which of these circuits most likely uses a triac?

Accepted Answer

Question 8

How many semiconductor layers are thyristors constructed with?

Accepted Answer

Question 9

The triac can be turned on or off by a pulse at the gate.

Accepted Answer

Question 10

An application of a(n) ________ is in a lighting system for power interruptions.

Accepted Answer