Related Questions

A Thevenin ac equivalent circuit always consists of an equivalent ac voltage source and an equivalent capacitance.
A True
B False
Norton's theorem provides a method for the reduction of any ac circuit to an equivalent form consisting of an equivalent voltage source in series with an equivalent impedance.
A True
B False
Thevenin's theorem provides a method for the reduction of any ac circuit to an equivalent form consisting of an equivalent current source in parallel with an equivalent impedance.
A True
B False
An SCR is made of ___________
A Germanium
B Silicon
C Carbon
D None of the above
When SCR starts conducting, then ___________ loses all control
A Gate
B Cathode
C Anode
D None of the above
An SCR is a ___________ triggered device
A Voltage
B Current
C Voltage as well as current
D None of the above
An SCR can exercise control over ___________ of a.c. supply
A Positive half-cycles only
B Negative half-cycles only
C Both positive and negative half-cycles
D Positive or negative half-cycles
In the normal operation of an SCR, anode is ___________ w.r.t. cathode
A At zero potential
B Negative
C Positive
D None of the above
An SCR has ___________ pn junctions
A Two
B Three
C Four
D None of the above
An SCR behaves as a ___________ switch
A Unidirectional
B Bidirectional
C Mechanical
D None of the above

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