POWER ELECTRONIC COMPONENTS - Practice Mode

1) Which parameter controls the current flow in a BI-polar transistor?

Voltage Current Frequency Resistance

Correct Answer: Current

2) Which device generates high frequency radio frequency indeferences by the extremely rapid turn-ON time?

UJT TRIAC Op-Amp Transistor

Correct Answer: TRIAC

3) Which characteristics exhibits the current conduction increases while the voltage across the devices decreases in a DIAC?

Linearity characteristics Negative resistance characteristics Positive resistance characteristics Nonlinearity characteristics

Correct Answer: Negative resistance characteristics

4) What is the load current handled by the solid state relay that must be mounted to some heatsink to protect the device?

Greater than 4 Amp 3 Amp 2 Amp 1 Amp

Correct Answer: Greater than 4 Amp

5) How the solid state relays are working for increased lifetime?

Bulky profile Slower in operations Spark generated during switching No moving parts to wear and tear

Correct Answer: No moving parts to wear and tear

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