61.
A Triac has three terminals viz.....................
A
Drain, source, gate
B
None of the above
C
Two main terminal and a gate terminal
D
Cathode, anode, gate
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A Triac has three terminals viz.....................
Drain, source, gate
None of the above
Two main terminal and a gate terminal
Cathode, anode, gate
A triac has .................... semiconductor layers
Two
Five
Three
Four
A triac can pass a portion of ..................... half-cycle through the load
Only positive
None of the above
Only negative
Both positive and negative
A full wave rectifier with resistive load produces
Second harmonic
Do not produce harmonics
Third harmonic
Fifth harmonic
A diac is turned on by ...................
A breakover voltage
None of the above
Gate voltage
Gate current
A diac is simply.....................
A single junction device
None of the above
A three junction device
A triac without gate terminal
A diac has ................... semiconductor layers
Three
None of the above
Two
Four
A diac has....................pn junctions
Four
None of the above
Two
Three
A diac has........................terminals
Two
None of the above
Three
Four
A crowbar is a circuit which is used to protect a
voltage sensitive load from excessive dc power supply output voltages
current sensitive load from excessive ac power supply output voltages
current sensitive load from excessive dc power supply output voltages
voltage sensitive load from excessive ac power supply output voltages