Related Questions

When a UJT is turned ON, the resistance between emitter terminal and lower base terminal ___________
A Remains the same
B Is decreased
C Is increased
D None of the above
Between the peak point and the valley point of UJT emitter characteristics we have ___________ region
A Saturation
B Negative resistance
C Cut-off
D None of the above
To turn on UJT, the forward bias on the emitter diode should be ___________ the peak point voltage.
A Less than
B Equal to
C More than
D None of the above
In a UJT, the p-type emitter is ___________ doped
A Lightly
B Heavily
C Moderately
D None of the above
When the temperature increases, the inter-base resistance (RBB) of a UJT ___________.
A Increases
B Decreases
C Remains the same
D None of the above
The mixing vat in a factory receives liquid ingredients through six separate value--- labeled R.S.T.U,Y and Z -- each of which has exactly two settings: open and closed.The mixing vat operator must ensure that each valve is set open or closed according to the following conditions: If T is open, both S and Z must be closed, R and Z cannot both be closed at the same time; If Y is closed, Z must also be closed;S and U cannot both be open at the same time. If Z is open, which of the following must be true?
A S is open
B T is open
C U is open
D y is open
The mixing vat in a factory receives liquid ingredients through six separate value--- labeled R.S.T.U,Y and Z -- each of which has exactly two settings: open and closed.The mixing vat operator must ensure that each valve is set open or closed according to the following conditions: If T is open, both S and Z must be closed, R and Z cannot both be closed at the same time; If Y is closed, Z must also be closed;S and U cannot both be open at the same time. If R is closed and U is open, which of the following must be true?
A S is open
B T is open
C T is closed
D Y is closed
A UJT has ___________.
A Two pn junctions
B One pn junction
C Three pn junctions
D None of the above
The UJT may be used as ___________.
A Am amplifier
B A sawtooth generator
C A rectifier
D None of the above
After peak point, the UJT operates in the ___________ region.
A Cut-off
B Saturation
C Negative resistance
D None of the above

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