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Consider the following statements (a) BJT is a current controlled device with high input impedance and high gain band width (b) FET is a voltage- controlled device with high input impedance and low gain bandwidth (c) UJT is a negative resistance device and can be used as an oscillator (d) FET and UJT can be used for amplification Which of the above statements are correct 
When UJT is used for triggering an SCR, the wave-shape of the signal obtained from UJT circuit is
When a UJT is used for triggering an SCR, then the wave shape of voltage obtained from the UJT circuit will be ____________
In case of the UJT firing circuit, when the UJT turns on
A UJT has ___________.
Between the peak point and the valley point of UJT emitter characteristics we have ___________ region
After peak point, the UJT operates in the ___________ region.
To turn on UJT, the forward bias on the emitter diode should be ___________ the peak point voltage.
A UJT is sometimes called ___________ diode.
When the emitter terminal of a UJT is open, the resistance between the base terminal is generally ___________.