WorksheetsIndustrial Electronics
Total questions: 10
Worksheet time: 5mins
A silicon controlled rectifier (SCR) is a
Unijunction device
Device with three junction
Device with four junction
None of the above
A thyristor is basically
PNPN device
A combination of disc and triac
A set of SCR's
A set of SCR,DIAC & TRIAC
A triac is a
2 terminal switch
2 terminal bilateral switch
3 terminal bilateral switch
3 terminal bidirectional switch
TRIAC
DIAC
DIODE
None
Which of the following finds applications in speed control of a DC motor?
FET
Transistor
SCR
None
For the high-frequency choppers, the device that is preferred is
TRIAC
Thyrsitor
Transistor
GTO
In a thyristor circuit, the angle of conduction is changed by changing______
Anode current
Gate current
Forward current
Anode voltage
Inverter converts
DC to AC
AC to DC
DC to DC
AC to AC
A SCR is a ________ switch
One directional
Two directional
Three directional
Four directional
Which of the following are the functions of a transistor?
Rectifier and fixed resistor
Switching device and fixed resistor
Tuning device and rectifier
Variable resistor and switching device
